15120201320 has 64 divisors (see below), whose sum is σ = 39050467200. Its totient is φ = 5161409280.

The previous prime is 15120201307. The next prime is 15120201331. The reversal of 15120201320 is 2310202151.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53786 + ... + 182025.

It is an arithmetic number, because the mean of its divisors is an integer number (610163550).

Almost surely, 2^15120201320 is an apocalyptic number.

15120201320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15120201320 is an abundant number, since it is smaller than the sum of its proper divisors (23930265880).

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

15120201320 is a wasteful number, since it uses less digits than its factorization.

15120201320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236058 (or 236054 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 15120201320 its reverse (2310202151), we get a palindrome (17430403471).

The spelling of 15120201320 in words is "fifteen billion, one hundred twenty million, two hundred one thousand, three hundred twenty".