20375100456 has 64 divisors (see below), whose sum is σ = 51759993600. Its totient is φ = 6682660608.

The previous prime is 20375100341. The next prime is 20375100479. The reversal of 20375100456 is 65400157302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 537190 + ... + 573866.

It is an arithmetic number, because the mean of its divisors is an integer number (808749900).

Almost surely, 2^20375100456 is an apocalyptic number.

It is an amenable number.

20375100456 is an abundant number, since it is smaller than the sum of its proper divisors (31384893144).

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

20375100456 is a wasteful number, since it uses less digits than its factorization.

20375100456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37058 (or 37054 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

Adding to 20375100456 its reverse (65400157302), we get a palindrome (85775257758).

The spelling of 20375100456 in words is "twenty billion, three hundred seventy-five million, one hundred thousand, four hundred fifty-six".