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20330212112100 = 223252112053556779
BaseRepresentation
bin1001001111101011111110…
…00100100011011011100100
32122222112211102210211212200
410213311333010203123210
510131042233300041400
6111123323121414500
74165544415454602
oct447657704433344
978875742724780
1020330212112100
116528aa3803320
12234416aa9a430
13b46191412a47
14503db7a60872
15253c7eabbb00
hex127d7f1236e4

20330212112100 has 108 divisors (see below), whose sum is σ = 69517004116560. Its totient is φ = 4928536267200.

The previous prime is 20330212112087. The next prime is 20330212112131. The reversal of 20330212112100 is 121121203302.

20330212112100 is a `hidden beast` number, since 2 + 0 + 330 + 2 + 121 + 1 + 210 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1026768490 + ... + 1026788289.

Almost surely, 220330212112100 is an apocalyptic number.

20330212112100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20330212112100 is an abundant number, since it is smaller than the sum of its proper divisors (49186792004460).

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

20330212112100 is a wasteful number, since it uses less digits than its factorization.

20330212112100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053556810 (or 2053556800 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20330212112100 its reverse (121121203302), we get a palindrome (20451333315402).

The spelling of 20330212112100 in words is "twenty trillion, three hundred thirty billion, two hundred twelve million, one hundred twelve thousand, one hundred".

Divisors: 1 2 3 4 5 6 9 10 11 12 15 18 20 22 25 30 33 36 44 45 50 55 60 66 75 90 99 100 110 132 150 165 180 198 220 225 275 300 330 396 450 495 550 660 825 900 990 1100 1650 1980 2475 3300 4950 9900 2053556779 4107113558 6160670337 8214227116 10267783895 12321340674 18482011011 20535567790 22589124569 24642681348 30803351685 36964022022 41071135580 45178249138 51338919475 61606703370 67767373707 73928044044 90356498276 92410055055 102677838950 112945622845 123213406740 135534747414 154016758425 184820110110 203302121121 205355677900 225891245690 271069494828 308033516850 338836868535 369640220220 406604242242 451782491380 462050275275 564728114225 616067033700 677673737070 813208484484 924100550550 1016510605605 1129456228450 1355347474140 1694184342675 1848201101100 2033021211210 2258912456900 3388368685350 4066042422420 5082553028025 6776737370700 10165106056050 20330212112100