13020111320 has 32 divisors (see below), whose sum is σ = 29395260720. Its totient is φ = 5190264960.

The previous prime is 13020111319. The next prime is 13020111343. The reversal of 13020111320 is 2311102031.

It is a junction number, because it is equal to n+sod(n) for n = 13020111295 and 13020111304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543746 + ... + 567185.

Almost surely, 2^13020111320 is an apocalyptic number.

13020111320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13020111320 is an abundant number, since it is smaller than the sum of its proper divisors (16375149400).

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

13020111320 is a wasteful number, since it uses less digits than its factorization.

13020111320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111235 (or 1111231 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 13020111320 its reverse (2311102031), we get a palindrome (15331213351).

The spelling of 13020111320 in words is "thirteen billion, twenty million, one hundred eleven thousand, three hundred twenty".