20479311564324 has 48 divisors (see below), whose sum is σ = 48090990920448. Its totient is φ = 6782735651328.

The previous prime is 20479311564259. The next prime is 20479311564337. The reversal of 20479311564324 is 42346511397402.

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, 63777157 + ... + 64097459.

It is an arithmetic number, because the mean of its divisors is an integer number (1001895644176).

Almost surely, 2^{20479311564324} is an apocalyptic number.

It is an amenable number.

20479311564324 is an abundant number, since it is smaller than the sum of its proper divisors (27611679356124).

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

20479311564324 is a wasteful number, since it uses less digits than its factorization.

20479311564324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354404 (or 354402 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 51.

The spelling of 20479311564324 in words is "twenty trillion, four hundred seventy-nine billion, three hundred eleven million, five hundred sixty-four thousand, three hundred twenty-four".