15195670220 has 12 divisors (see below), whose sum is σ = 31910907504. Its totient is φ = 6078268080.

The previous prime is 15195670213. The next prime is 15195670249. The reversal of 15195670220 is 2207659151.

It is a happy 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, 379891736 + ... + 379891775.

It is an arithmetic number, because the mean of its divisors is an integer number (2659242292).

Almost surely, 2^15195670220 is an apocalyptic number.

15195670220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15195670220 is an abundant number, since it is smaller than the sum of its proper divisors (16715237284).

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

15195670220 is a wasteful number, since it uses less digits than its factorization.

15195670220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759783520 (or 759783518 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 38.

The spelling of 15195670220 in words is "fifteen billion, one hundred ninety-five million, six hundred seventy thousand, two hundred twenty".