32220756140 has 24 divisors (see below), whose sum is σ = 67679802960. Its totient is φ = 12885213888.

The previous prime is 32220756119. The next prime is 32220756181. The reversal of 32220756140 is 4165702223.

It is a junction number, because it is equal to n+sod(n) for n = 32220756097 and 32220756106.

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, 106547 + ... + 275306.

It is an arithmetic number, because the mean of its divisors is an integer number (2819991790).

Almost surely, 2^32220756140 is an apocalyptic number.

It is an amenable number.

32220756140 is an abundant number, since it is smaller than the sum of its proper divisors (35459046820).

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

32220756140 is a wasteful number, since it uses less digits than its factorization.

32220756140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386081 (or 386079 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The spelling of 32220756140 in words is "thirty-two billion, two hundred twenty million, seven hundred fifty-six thousand, one hundred forty".