20020056264 has 48 divisors (see below), whose sum is σ = 58391833500. Its totient is φ = 6160017024.

The previous prime is 20020056257. The next prime is 20020056299. The reversal of 20020056264 is 46265002002.

20020056264 is a `hidden beast` number, since 20 + 0 + 20 + 0 + 562 + 64 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18542268900 + 1477787364 = 136170^2 + 38442^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10693539 + ... + 10695410.

Almost surely, 2^20020056264 is an apocalyptic number.

20020056264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20020056264 is an abundant number, since it is smaller than the sum of its proper divisors (38371777236).

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

20020056264 is a wasteful number, since it uses less digits than its factorization.

20020056264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21388974 (or 21388967 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 20020056264 its reverse (46265002002), we get a palindrome (66285058266).

The spelling of 20020056264 in words is "twenty billion, twenty million, fifty-six thousand, two hundred sixty-four".