32220732538 has 16 divisors (see below), whose sum is σ = 49232229696. Its totient is φ = 15812758080.

The previous prime is 32220732529. The next prime is 32220732541. The reversal of 32220732538 is 83523702223.

It is a junction number, because it is equal to n+sod(n) for n = 32220732497 and 32220732506.

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, 668808 + ... + 715363.

It is an arithmetic number, because the mean of its divisors is an integer number (3077014356).

Almost surely, 2^32220732538 is an apocalyptic number.

32220732538 is a deficient number, since it is larger than the sum of its proper divisors (17011497158).

32220732538 is a wasteful number, since it uses less digits than its factorization.

32220732538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384389.

The product of its (nonzero) digits is 120960, while the sum is 37.

The spelling of 32220732538 in words is "thirty-two billion, two hundred twenty million, seven hundred thirty-two thousand, five hundred thirty-eight".