220431542674956 has 24 divisors (see below), whose sum is σ = 515797320830064. Its totient is φ = 73269030236160.

The previous prime is 220431542674927. The next prime is 220431542674961. The reversal of 220431542674956 is 659476245134022.

220431542674956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 220431542674956.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26018827525 + ... + 26018835996.

It is an arithmetic number, because the mean of its divisors is an integer number (21491555034586).

Almost surely, 2^{220431542674956} is an apocalyptic number.

It is an amenable number.

220431542674956 is an abundant number, since it is smaller than the sum of its proper divisors (295365778155108).

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

220431542674956 is a wasteful number, since it uses less digits than its factorization.

220431542674956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52037663881 (or 52037663879 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 60.

The spelling of 220431542674956 in words is "two hundred twenty trillion, four hundred thirty-one billion, five hundred forty-two million, six hundred seventy-four thousand, nine hundred fifty-six".