13033232220 has 48 divisors (see below), whose sum is σ = 36503984160. Its totient is φ = 3474487296.

The previous prime is 13033232207. The next prime is 13033232231. The reversal of 13033232220 is 2223233031.

It is a super-2 number, since 2×13033232220² (a number of 21 digits) contains 22 as substring.

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, 180964 + ... + 242516.

It is an arithmetic number, because the mean of its divisors is an integer number (760499670).

Almost surely, 2^13033232220 is an apocalyptic number.

13033232220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13033232220 is an abundant number, since it is smaller than the sum of its proper divisors (23470751940).

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

13033232220 is a wasteful number, since it uses less digits than its factorization.

13033232220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65094 (or 65092 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 13033232220 its reverse (2223233031), we get a palindrome (15256465251).

The spelling of 13033232220 in words is "thirteen billion, thirty-three million, two hundred thirty-two thousand, two hundred twenty".