13559338920 has 32 divisors (see below), whose sum is σ = 40678017120. Its totient is φ = 3615823680.

The previous prime is 13559338913. The next prime is 13559338943. The reversal of 13559338920 is 2983395531.

It is a self number, because there is not a number n which added to its sum of digits gives 13559338920.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56497126 + ... + 56497365.

It is an arithmetic number, because the mean of its divisors is an integer number (1271188035).

Almost surely, 2^13559338920 is an apocalyptic number.

13559338920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13559338920 is an abundant number, since it is smaller than the sum of its proper divisors (27118678200).

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

13559338920 is a wasteful number, since it uses less digits than its factorization.

13559338920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112994505 (or 112994501 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 48.

The spelling of 13559338920 in words is "thirteen billion, five hundred fifty-nine million, three hundred thirty-eight thousand, nine hundred twenty".