13113206620 has 24 divisors (see below), whose sum is σ = 27640116000. Its totient is φ = 5225781312.

The previous prime is 13113206551. The next prime is 13113206647. The reversal of 13113206620 is 2660231131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1213320 + ... + 1224079.

It is an arithmetic number, because the mean of its divisors is an integer number (1151671500).

Almost surely, 2^13113206620 is an apocalyptic number.

13113206620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13113206620 is an abundant number, since it is smaller than the sum of its proper divisors (14526909380).

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

13113206620 is a wasteful number, since it uses less digits than its factorization.

13113206620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2437677 (or 2437675 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 13113206620 its reverse (2660231131), we get a palindrome (15773437751).

The spelling of 13113206620 in words is "thirteen billion, one hundred thirteen million, two hundred six thousand, six hundred twenty".