13332321320 has 32 divisors (see below), whose sum is σ = 30013674120. Its totient is φ = 5330092800.

The previous prime is 13332321313. The next prime is 13332321323. The reversal of 13332321320 is 2312323331.

It can be written as a sum of positive squares in 4 ways, for example, as 11233032196 + 2099289124 = 105986^2 + 45818^2 .

It is not an unprimeable number, because it can be changed into a prime (13332321323) 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, 11627 + ... + 163706.

Almost surely, 2^13332321320 is an apocalyptic number.

13332321320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13332321320 is an abundant number, since it is smaller than the sum of its proper divisors (16681352800).

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

13332321320 is a wasteful number, since it uses less digits than its factorization.

13332321320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177245 (or 177241 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 13332321320 its reverse (2312323331), we get a palindrome (15644644651).

The spelling of 13332321320 in words is "thirteen billion, three hundred thirty-two million, three hundred twenty-one thousand, three hundred twenty".