13201522520 has 64 divisors (see below), whose sum is σ = 31387392000. Its totient is φ = 4987052928.

The previous prime is 13201522507. The next prime is 13201522553. The reversal of 13201522520 is 2522510231.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

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, 18140 + ... + 163499.

It is an arithmetic number, because the mean of its divisors is an integer number (490428000).

Almost surely, 2^13201522520 is an apocalyptic number.

13201522520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13201522520 is an abundant number, since it is smaller than the sum of its proper divisors (18185869480).

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

13201522520 is a wasteful number, since it uses less digits than its factorization.

13201522520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181752 (or 181748 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The spelling of 13201522520 in words is "thirteen billion, two hundred one million, five hundred twenty-two thousand, five hundred twenty".