13032032320 has 28 divisors (see below), whose sum is σ = 31032527724. Its totient is φ = 5212812800.

The previous prime is 13032032311. The next prime is 13032032333. The reversal of 13032032320 is 2323023031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2727346176 + 10304686144 = 52224^2 + 101512^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20362231 + ... + 20362870.

Almost surely, 2^13032032320 is an apocalyptic number.

13032032320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13032032320 is an abundant number, since it is smaller than the sum of its proper divisors (18000495404).

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

13032032320 is an equidigital number, since it uses as much as digits as its factorization.

13032032320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40725118 (or 40725108 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 13032032320 its reverse (2323023031), we get a palindrome (15355055351).

The spelling of 13032032320 in words is "thirteen billion, thirty-two million, thirty-two thousand, three hundred twenty".