13110020320 has 24 divisors (see below), whose sum is σ = 30972423384. Its totient is φ = 5244008064.

The previous prime is 13110020317. The next prime is 13110020333. The reversal of 13110020320 is 2302001131.

It is a self number, because there is not a number n which added to its sum of digits gives 13110020320.

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, 40968654 + ... + 40968973.

It is an arithmetic number, because the mean of its divisors is an integer number (1290517641).

Almost surely, 2^13110020320 is an apocalyptic number.

13110020320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13110020320 is an abundant number, since it is smaller than the sum of its proper divisors (17862403064).

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

13110020320 is an equidigital number, since it uses as much as digits as its factorization.

13110020320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81937642 (or 81937634 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 13110020320 its reverse (2302001131), we get a palindrome (15412021451).

The spelling of 13110020320 in words is "thirteen billion, one hundred ten million, twenty thousand, three hundred twenty".