13120000220 has 12 divisors (see below), whose sum is σ = 27552000504. Its totient is φ = 5248000080.

The previous prime is 13120000219. The next prime is 13120000247. The reversal of 13120000220 is 2200002131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327999986 + ... + 328000025.

It is an arithmetic number, because the mean of its divisors is an integer number (2296000042).

Almost surely, 2^13120000220 is an apocalyptic number.

13120000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13120000220 is an abundant number, since it is smaller than the sum of its proper divisors (14432000284).

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

13120000220 is a wasteful number, since it uses less digits than its factorization.

13120000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656000020 (or 656000018 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 13120000220 its reverse (2200002131), we get a palindrome (15320002351).

The spelling of 13120000220 in words is "thirteen billion, one hundred twenty million, two hundred twenty", and thus it is an aban number.