13233220032 has 56 divisors (see below), whose sum is σ = 35063198352. Its totient is φ = 4404736000.

The previous prime is 13233220027. The next prime is 13233220043. The reversal of 13233220032 is 23002233231.

It is a super-2 number, since 2×13233220032² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13233219990 and 13233220008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85432 + ... + 183752.

It is an arithmetic number, because the mean of its divisors is an integer number (626128542).

Almost surely, 2^13233220032 is an apocalyptic number.

13233220032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13233220032 is an abundant number, since it is smaller than the sum of its proper divisors (21829978320).

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

13233220032 is an equidigital number, since it uses as much as digits as its factorization.

13233220032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99037 (or 99027 counting only the distinct ones).

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

Adding to 13233220032 its reverse (23002233231), we get a palindrome (36235453263).

The spelling of 13233220032 in words is "thirteen billion, two hundred thirty-three million, two hundred twenty thousand, thirty-two".