22732057320 has 128 divisors (see below), whose sum is σ = 78185260800. Its totient is φ = 5179447296.

The previous prime is 22732057289. The next prime is 22732057333. The reversal of 22732057320 is 2375023722.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 223596 + ... + 308964.

It is an arithmetic number, because the mean of its divisors is an integer number (610822350).

Almost surely, 2^22732057320 is an apocalyptic number.

22732057320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22732057320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39092630400).

22732057320 is an abundant number, since it is smaller than the sum of its proper divisors (55453203480).

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

22732057320 is a wasteful number, since it uses less digits than its factorization.

22732057320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85707 (or 85703 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 33.

The spelling of 22732057320 in words is "twenty-two billion, seven hundred thirty-two million, fifty-seven thousand, three hundred twenty".