15132644220 has 48 divisors (see below), whose sum is σ = 42507698688. Its totient is φ = 4022391360.

The previous prime is 15132644213. The next prime is 15132644287. The reversal of 15132644220 is 2244623151.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386824 + ... + 424143.

It is an arithmetic number, because the mean of its divisors is an integer number (885577056).

Almost surely, 2^15132644220 is an apocalyptic number.

15132644220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15132644220 is an abundant number, since it is smaller than the sum of its proper divisors (27375054468).

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

15132644220 is a wasteful number, since it uses less digits than its factorization.

15132644220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811290 (or 811288 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 15132644220 in words is "fifteen billion, one hundred thirty-two million, six hundred forty-four thousand, two hundred twenty".