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20331322001012 = 22114349732160857
BaseRepresentation
bin1001001111101110000010…
…01110011100011001110100
32122222122200210021001020102
410213313001032130121310
510131102021413013022
6111124025210253232
74165614053405411
oct447670116343164
978878623231212
1020331322001012
116529513262290
12234441a727218
13b4630a346849
14504081215108
15253ce7257a92
hex127dc139c674

20331322001012 has 48 divisors (see below), whose sum is σ = 39725006029632. Its totient is φ = 9024771866880.

The previous prime is 20331322000987. The next prime is 20331322001021. The reversal of 20331322001012 is 21010022313302.

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 15 ways as a sum of consecutive naturals, for example, 8328488 + ... + 10489344.

It is an arithmetic number, because the mean of its divisors is an integer number (827604292284).

Almost surely, 220331322001012 is an apocalyptic number.

20331322001012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20331322001012 is a deficient number, since it is larger than the sum of its proper divisors (19393684028620).

20331322001012 is a wasteful number, since it uses less digits than its factorization.

20331322001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165888 (or 2165886 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20331322001012 its reverse (21010022313302), we get a palindrome (41341344314314).

The spelling of 20331322001012 in words is "twenty trillion, three hundred thirty-one billion, three hundred twenty-two million, one thousand, twelve".

Divisors: 1 2 4 11 22 43 44 86 172 473 946 1892 4973 9946 19892 54703 109406 213839 218812 427678 855356 2160857 2352229 4321714 4704458 8643428 9408916 23769427 47538854 92916851 95077708 185833702 371667404 1022085361 2044170722 4088341444 10745941861 21491883722 42983767444 118205360471 236410720942 462075500023 472821441884 924151000046 1848302000092 5082830500253 10165661000506 20331322001012