13120201320 has 64 divisors (see below), whose sum is σ = 39371840640. Its totient is φ = 3497721600.

The previous prime is 13120201313. The next prime is 13120201327. The reversal of 13120201320 is 2310202131.

It is an interprime number because it is at equal distance from previous prime (13120201313) and next prime (13120201327).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 13120201320.

It is not an unprimeable number, because it can be changed into a prime (13120201327) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 468925 + ... + 496115.

It is an arithmetic number, because the mean of its divisors is an integer number (615185010).

Almost surely, 2^13120201320 is an apocalyptic number.

13120201320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13120201320 is an abundant number, since it is smaller than the sum of its proper divisors (26251639320).

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

13120201320 is a wasteful number, since it uses less digits than its factorization.

13120201320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31226 (or 31222 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 13120201320 its reverse (2310202131), we get a palindrome (15430403451).

The spelling of 13120201320 in words is "thirteen billion, one hundred twenty million, two hundred one thousand, three hundred twenty".