13220102304 has 72 divisors (see below), whose sum is σ = 38124227232. Its totient is φ = 4344627840.

The previous prime is 13220102297. The next prime is 13220102317. The reversal of 13220102304 is 40320102231.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×13220102304² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 302814 + ... + 343709.

It is an arithmetic number, because the mean of its divisors is an integer number (529503156).

Almost surely, 2^13220102304 is an apocalyptic number.

It is an amenable number.

13220102304 is an abundant number, since it is smaller than the sum of its proper divisors (24904124928).

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

13220102304 is a wasteful number, since it uses less digits than its factorization.

13220102304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646610 (or 646599 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 13220102304 its reverse (40320102231), we get a palindrome (53540204535).

The spelling of 13220102304 in words is "thirteen billion, two hundred twenty million, one hundred two thousand, three hundred four".