13361103920 has 20 divisors (see below), whose sum is σ = 31064566800. Its totient is φ = 5344441536.

The previous prime is 13361103827. The next prime is 13361103923. The reversal of 13361103920 is 2930116331.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×13361103920² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13361103923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83506820 + ... + 83506979.

It is an arithmetic number, because the mean of its divisors is an integer number (1553228340).

Almost surely, 2^13361103920 is an apocalyptic number.

13361103920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13361103920 is an abundant number, since it is smaller than the sum of its proper divisors (17703462880).

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

13361103920 is a wasteful number, since it uses less digits than its factorization.

13361103920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167013812 (or 167013806 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 29.

The spelling of 13361103920 in words is "thirteen billion, three hundred sixty-one million, one hundred three thousand, nine hundred twenty".