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20444525032 = 234162330869
BaseRepresentation
bin10011000010100101…
…101011000111101000
31221202210222110221211
4103002211223013220
5313332244300112
613220405042504
71322430411151
oct230245530750
957683873854
1020444525032
118741446288
123b669b6434
131c0a8085b9
14dbd35a928
157e9cc70a7
hex4c296b1e8

20444525032 has 16 divisors (see below), whose sum is σ = 39268448100. Its totient is φ = 9972938880.

The previous prime is 20444525029. The next prime is 20444525069. The reversal of 20444525032 is 23052544402.

It can be written as a sum of positive squares in 2 ways, for example, as 20435846116 + 8678916 = 142954^2 + 2946^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20444524985 and 20444525003.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31165107 + ... + 31165762.

Almost surely, 220444525032 is an apocalyptic number.

It is an amenable number.

20444525032 is a deficient number, since it is larger than the sum of its proper divisors (18823923068).

20444525032 is a wasteful number, since it uses less digits than its factorization.

20444525032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62330916 (or 62330912 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 31.

The spelling of 20444525032 in words is "twenty billion, four hundred forty-four million, five hundred twenty-five thousand, thirty-two".

Divisors: 1 2 4 8 41 82 164 328 62330869 124661738 249323476 498646952 2555565629 5111131258 10222262516 20444525032