13018668620 has 12 divisors (see below), whose sum is σ = 27339204144. Its totient is φ = 5207467440.

The previous prime is 13018668613. The next prime is 13018668647. The reversal of 13018668620 is 2686681031.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325466696 + ... + 325466735.

It is an arithmetic number, because the mean of its divisors is an integer number (2278267012).

Almost surely, 2^13018668620 is an apocalyptic number.

13018668620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13018668620 is an abundant number, since it is smaller than the sum of its proper divisors (14320535524).

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

13018668620 is a wasteful number, since it uses less digits than its factorization.

13018668620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650933440 (or 650933438 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 13018668620 in words is "thirteen billion, eighteen million, six hundred sixty-eight thousand, six hundred twenty".