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20112444324 = 22327431185177
BaseRepresentation
bin10010101110110010…
…111000101110100100
31220220200010000212100
4102232302320232210
5312142241204244
613123423252100
71311255645630
oct225662705644
956820100770
1020112444324
118590a50115
123a9374a030
131b86a8773b
14d8b1d5dc0
157caa7cb69
hex4aecb8ba4

20112444324 has 72 divisors (see below), whose sum is σ = 58237740288. Its totient is φ = 5733048960.

The previous prime is 20112444311. The next prime is 20112444361. The reversal of 20112444324 is 42344421102.

20112444324 is a `hidden beast` number, since 201 + 1 + 24 + 4 + 432 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16024 + ... + 201200.

It is an arithmetic number, because the mean of its divisors is an integer number (808857504).

Almost surely, 220112444324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20112444324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29118870144).

20112444324 is an abundant number, since it is smaller than the sum of its proper divisors (38125295964).

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

20112444324 is a wasteful number, since it uses less digits than its factorization.

20112444324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185625 (or 185620 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 20112444324 its reverse (42344421102), we get a palindrome (62456865426).

The spelling of 20112444324 in words is "twenty billion, one hundred twelve million, four hundred forty-four thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 431 862 1293 1724 2586 3017 3879 5172 6034 7758 9051 12068 15516 18102 27153 36204 54306 108612 185177 370354 555531 740708 1111062 1296239 1666593 2222124 2592478 3333186 3888717 5184956 6666372 7777434 11666151 15554868 23332302 46664604 79811287 159622574 239433861 319245148 478867722 558679009 718301583 957735444 1117358018 1436603166 1676037027 2234716036 2873206332 3352074054 5028111081 6704148108 10056222162 20112444324