20023500891884 has 48 divisors (see below), whose sum is σ = 41443494220800. Its totient is φ = 8282474308416.

The previous prime is 20023500891811. The next prime is 20023500891899. The reversal of 20023500891884 is 48819800532002.

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, 2467664 + ... + 6792375.

It is an arithmetic number, because the mean of its divisors is an integer number (863406129600).

Almost surely, 2^{20023500891884} is an apocalyptic number.

It is an amenable number.

20023500891884 is an abundant number, since it is smaller than the sum of its proper divisors (21419993328916).

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

20023500891884 is a wasteful number, since it uses less digits than its factorization.

20023500891884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9262742 (or 9262740 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 20023500891884 in words is "twenty trillion, twenty-three billion, five hundred million, eight hundred ninety-one thousand, eight hundred eighty-four".