15220532132 has 24 divisors (see below), whose sum is σ = 29088868032. Its totient is φ = 6925917600.

The previous prime is 15220532113. The next prime is 15220532167. The reversal of 15220532132 is 23123502251.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2057594 + ... + 2064977.

It is an arithmetic number, because the mean of its divisors is an integer number (1212036168).

Almost surely, 2^15220532132 is an apocalyptic number.

It is an amenable number.

15220532132 is a deficient number, since it is larger than the sum of its proper divisors (13868335900).

15220532132 is a wasteful number, since it uses less digits than its factorization.

15220532132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4122659 (or 4122657 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 15220532132 in words is "fifteen billion, two hundred twenty million, five hundred thirty-two thousand, one hundred thirty-two".