13038087820 has 24 divisors (see below), whose sum is σ = 27382143600. Its totient is φ = 5214823872.

The previous prime is 13038087767. The next prime is 13038087857. The reversal of 13038087820 is 2878083031.

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, 440446 + ... + 469114.

It is an arithmetic number, because the mean of its divisors is an integer number (1140922650).

Almost surely, 2^13038087820 is an apocalyptic number.

13038087820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13038087820 is an abundant number, since it is smaller than the sum of its proper divisors (14344055780).

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

13038087820 is a wasteful number, since it uses less digits than its factorization.

13038087820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51417 (or 51415 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 13038087820 in words is "thirteen billion, thirty-eight million, eighty-seven thousand, eight hundred twenty".