20052879864 has 32 divisors (see below), whose sum is σ = 51860898000. Its totient is φ = 6453800192.

The previous prime is 20052879863. The next prime is 20052879877. The reversal of 20052879864 is 46897825002.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20052879863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14405109 + ... + 14406500.

Almost surely, 2^20052879864 is an apocalyptic number.

20052879864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20052879864 is an abundant number, since it is smaller than the sum of its proper divisors (31808018136).

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

20052879864 is a wasteful number, since it uses less digits than its factorization.

20052879864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28811647 (or 28811643 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 20052879864 in words is "twenty billion, fifty-two million, eight hundred seventy-nine thousand, eight hundred sixty-four".