13233032220 has 96 divisors (see below), whose sum is σ = 41296953600. Its totient is φ = 3146425344.

The previous prime is 13233032213. The next prime is 13233032227. The reversal of 13233032220 is 2223033231.

It is an interprime number because it is at equal distance from previous prime (13233032213) and next prime (13233032227).

It is a super-2 number, since 2×13233032220² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13233032227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 322030 + ... + 360789.

It is an arithmetic number, because the mean of its divisors is an integer number (430176600).

Almost surely, 2^13233032220 is an apocalyptic number.

13233032220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13233032220 is an abundant number, since it is smaller than the sum of its proper divisors (28063921380).

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

13233032220 is a wasteful number, since it uses less digits than its factorization.

13233032220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682867 (or 682865 counting only the distinct ones).

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

Adding to 13233032220 its reverse (2223033231), we get a palindrome (15456065451).

The spelling of 13233032220 in words is "thirteen billion, two hundred thirty-three million, thirty-two thousand, two hundred twenty".