13125502020 has 24 divisors (see below), whose sum is σ = 36751405824. Its totient is φ = 3500133856.

The previous prime is 13125501997. The next prime is 13125502073. The reversal of 13125502020 is 2020552131.

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, 109379124 + ... + 109379243.

It is an arithmetic number, because the mean of its divisors is an integer number (1531308576).

Almost surely, 2^13125502020 is an apocalyptic number.

13125502020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13125502020 is an abundant number, since it is smaller than the sum of its proper divisors (23625903804).

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

13125502020 is a wasteful number, since it uses less digits than its factorization.

13125502020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218758379 (or 218758377 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The spelling of 13125502020 in words is "thirteen billion, one hundred twenty-five million, five hundred two thousand, twenty".