13201320222520 has 32 divisors (see below), whose sum is σ = 29703346049520. Its totient is φ = 5280461324800.

The previous prime is 13201320222499. The next prime is 13201320222527. The reversal of 13201320222520 is 2522202310231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13201320222527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1179984 + ... + 5272096.

Almost surely, 2^{13201320222520} is an apocalyptic number.

13201320222520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13201320222520 is an abundant number, since it is smaller than the sum of its proper divisors (16502025827000).

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

13201320222520 is a wasteful number, since it uses less digits than its factorization.

13201320222520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4172775 (or 4172771 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 13201320222520 its reverse (2522202310231), we get a palindrome (15723522532751).

The spelling of 13201320222520 in words is "thirteen trillion, two hundred one billion, three hundred twenty million, two hundred twenty-two thousand, five hundred twenty".