20679415180 has 48 divisors (see below), whose sum is σ = 45095488704. Its totient is φ = 7959444480.

The previous prime is 20679415153. The next prime is 20679415193. The reversal of 20679415180 is 8151497602.

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, 112872 + ... + 232591.

It is an arithmetic number, because the mean of its divisors is an integer number (939489348).

Almost surely, 2^20679415180 is an apocalyptic number.

20679415180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20679415180 is an abundant number, since it is smaller than the sum of its proper divisors (24416073524).

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

20679415180 is a wasteful number, since it uses less digits than its factorization.

20679415180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345586 (or 345584 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 20679415180 in words is "twenty billion, six hundred seventy-nine million, four hundred fifteen thousand, one hundred eighty".