13220433132 has 24 divisors (see below), whose sum is σ = 31353378672. Its totient is φ = 4334568000.

The previous prime is 13220433131. The next prime is 13220433133. The reversal of 13220433132 is 23133402231.

It is an interprime number because it is at equal distance from previous prime (13220433131) and next prime (13220433133).

It is not an unprimeable number, because it can be changed into a prime (13220433131) 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, 9029619 + ... + 9031082.

It is an arithmetic number, because the mean of its divisors is an integer number (1306390778).

Almost surely, 2^13220433132 is an apocalyptic number.

13220433132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13220433132 is an abundant number, since it is smaller than the sum of its proper divisors (18132945540).

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

13220433132 is a wasteful number, since it uses less digits than its factorization.

13220433132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18060769 (or 18060767 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 13220433132 its reverse (23133402231), we get a palindrome (36353835363).

The spelling of 13220433132 in words is "thirteen billion, two hundred twenty million, four hundred thirty-three thousand, one hundred thirty-two".