13220313204 has 48 divisors (see below), whose sum is σ = 35263036928. Its totient is φ = 3776282208.

The previous prime is 13220313181. The next prime is 13220313241. The reversal of 13220313204 is 40231302231.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 359019 + ... + 394125.

Almost surely, 2^13220313204 is an apocalyptic number.

13220313204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13220313204 is an abundant number, since it is smaller than the sum of its proper divisors (22042723724).

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

13220313204 is a wasteful number, since it uses less digits than its factorization.

13220313204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39604 (or 39602 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13220313204 its reverse (40231302231), we get a palindrome (53451615435).

The spelling of 13220313204 in words is "thirteen billion, two hundred twenty million, three hundred thirteen thousand, two hundred four".