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20002210021112 = 2311192642797967
BaseRepresentation
bin1001000110001001000001…
…00111110111111011111000
32121211012012102000012200112
410203010200213313323320
510110204011231133422
6110312515522323452
74133053260626054
oct443044047677370
977735172005615
1020002210021112
116411987111670
1222b068b7b9588
13b2127b113737
144d217d986c64
1524a483dd1ee2
hex1231209f7ef8

20002210021112 has 96 divisors (see below), whose sum is σ = 43187452888320. Its totient is φ = 8611963778880.

The previous prime is 20002210021037. The next prime is 20002210021139. The reversal of 20002210021112 is 21112001220002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204123953 + ... + 204221919.

It is an arithmetic number, because the mean of its divisors is an integer number (449869300920).

Almost surely, 220002210021112 is an apocalyptic number.

20002210021112 is a gapful number since it is divisible by the number (22) 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 20002210021112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21593726444160).

20002210021112 is an abundant number, since it is smaller than the sum of its proper divisors (23185242867208).

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

20002210021112 is a wasteful number, since it uses less digits than its factorization.

20002210021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104449 (or 104426 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20002210021112 its reverse (21112001220002), we get a palindrome (41114211241114).

The spelling of 20002210021112 in words is "twenty trillion, two billion, two hundred ten million, twenty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 11 19 22 38 44 76 88 152 209 361 418 722 836 1444 1672 2888 3971 6427 7942 12854 15884 25708 31768 51416 70697 97967 122113 141394 195934 244226 282788 391868 488452 565576 783736 976904 1077637 1343243 1861373 2155274 2320147 2686486 3722746 4310548 4640294 5372972 7445492 8621096 9280588 10745944 14890984 18561176 20475103 25521617 35366087 40950206 51043234 70732174 81900412 102086468 141464348 163800824 204172936 282928696 389026957 629633909 778053914 1259267818 1556107828 2518535636 3112215656 5037071272 6925972999 11963044271 13851945998 23926088542 27703891996 47852177084 55407783992 95704354168 131593486981 227297841149 263186973962 454595682298 526373947924 909191364596 1052747895848 1818382729192 2500276252639 5000552505278 10001105010556 20002210021112