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20102202102000 = 2435316729200273
BaseRepresentation
bin1001001001000011010001…
…00111011001000011110000
32122011202022000202012221210
410210201220213121003300
510113323302214231000
6110430454003520120
74143223210402554
oct444415047310360
978152260665853
1020102202102000
116450329028a47
122307b36989040
13b2a8250ac7c5
144d6d47945864
1524cd875a5350
hex1248689d90f0

20102202102000 has 160 divisors (see below), whose sum is σ = 64813697282880. Its totient is φ = 5360240025600.

The previous prime is 20102202101959. The next prime is 20102202102007. The reversal of 20102202102000 is 20120220102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102202102007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100273864 + ... + 100474136.

It is an arithmetic number, because the mean of its divisors is an integer number (405085608018).

Almost surely, 220102202102000 is an apocalyptic number.

20102202102000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20102202102000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32406848641440).

20102202102000 is an abundant number, since it is smaller than the sum of its proper divisors (44711495180880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20102202102000 is a wasteful number, since it uses less digits than its factorization.

20102202102000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217028 (or 217012 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20102202102000 its reverse (20120220102), we get a palindrome (20122322322102).

The spelling of 20102202102000 in words is "twenty trillion, one hundred two billion, two hundred two million, one hundred two thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 125 150 200 240 250 300 375 400 500 600 750 1000 1200 1500 2000 3000 6000 16729 33458 50187 66916 83645 100374 133832 167290 200273 200748 250935 267664 334580 400546 401496 418225 501870 600819 669160 801092 802992 836450 1001365 1003740 1201638 1254675 1338320 1602184 1672900 2002730 2007480 2091125 2403276 2509350 3004095 3204368 3345800 4005460 4014960 4182250 4806552 5006825 5018700 6008190 6273375 6691600 8010920 8364500 9613104 10013650 10037400 12016380 12546750 15020475 16021840 16729000 20027300 20074800 24032760 25034125 25093500 30040950 33458000 40054600 48065520 50068250 50187000 60081900 75102375 80109200 100136500 100374000 120163800 150204750 200273000 240327600 300409500 400546000 600819000 1201638000 3350367017 6700734034 10051101051 13401468068 16751835085 20102202102 26802936136 33503670170 40204404204 50255505255 53605872272 67007340340 80408808408 83759175425 100511010510 134014680680 160817616816 167518350850 201022021020 251277526275 268029361360 335036701700 402044042040 418795877125 502555052550 670073403400 804088084080 837591754250 1005110105100 1256387631375 1340146806800 1675183508500 2010220210200 2512775262750 3350367017000 4020440420400 5025550525500 6700734034000 10051101051000 20102202102000