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20102001022000 = 2453671481101293
BaseRepresentation
bin1001001001000010111001…
…01000010101010000110000
32122011201210000101022001101
410210201130220111100300
510113322344230201000
6110430422022014144
74143215216266522
oct444413450252060
978151700338041
1020102001022000
116450235578627
122307a9b577354
13b2a7c2537a61
144d6d28d61a12
1524cd74ad5e6a
hex12485ca15430

20102001022000 has 160 divisors (see below), whose sum is σ = 49365908040384. Its totient is φ = 7915362048000.

The previous prime is 20102001021919. The next prime is 20102001022009. The reversal of 20102001022000 is 22010020102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (20102001022009) 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, 198403354 + ... + 198504646.

Almost surely, 220102001022000 is an apocalyptic number.

20102001022000 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 20102001022000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24682954020192).

20102001022000 is an abundant number, since it is smaller than the sum of its proper divisors (29263907018384).

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

20102001022000 is a wasteful number, since it uses less digits than its factorization.

20102001022000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102864 (or 102848 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20102001022000 its reverse (22010020102), we get a palindrome (20124011042102).

The spelling of 20102001022000 in words is "twenty trillion, one hundred two billion, one million, twenty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 67 80 100 125 134 200 250 268 335 400 500 536 670 1000 1072 1340 1481 1675 2000 2680 2962 3350 5360 5924 6700 7405 8375 11848 13400 14810 16750 23696 26800 29620 33500 37025 59240 67000 74050 99227 101293 118480 134000 148100 185125 198454 202586 296200 370250 396908 405172 496135 506465 592400 740500 793816 810344 992270 1012930 1481000 1587632 1620688 1984540 2025860 2480675 2532325 2962000 3969080 4051720 4961350 5064650 6786631 7938160 8103440 9922700 10129300 12403375 12661625 13573262 19845400 20258600 24806750 25323250 27146524 33933155 39690800 40517200 49613500 50646500 54293048 67866310 99227000 101293000 108586096 135732620 150014933 169665775 198454000 202586000 271465240 300029866 339331550 542930480 600059732 678663100 750074665 848328875 1200119464 1357326200 1500149330 1696657750 2400238928 2714652400 3000298660 3393315500 3750373325 6000597320 6786631000 7500746650 10051000511 12001194640 13573262000 15001493300 18751866625 20102001022 30002986600 37503733250 40204002044 50255002555 60005973200 75007466500 80408004088 100510005110 150014933000 160816008176 201020010220 251275012775 300029866000 402040020440 502550025550 804080040880 1005100051100 1256375063875 2010200102200 2512750127750 4020400204400 5025500255500 10051000511000 20102001022000