22120902832 has 80 divisors (see below), whose sum is σ = 51418708992. Its totient is φ = 9013720320.

The previous prime is 22120902823. The next prime is 22120902851. The reversal of 22120902832 is 23820902122.

It is a junction number, because it is equal to n+sod(n) for n = 22120902794 and 22120902803.

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, 404482 + ... + 455902.

Almost surely, 2^22120902832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22120902832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25709354496).

22120902832 is an abundant number, since it is smaller than the sum of its proper divisors (29297806160).

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

22120902832 is a wasteful number, since it uses less digits than its factorization.

22120902832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51626 (or 51620 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 22120902832 in words is "twenty-two billion, one hundred twenty million, nine hundred two thousand, eight hundred thirty-two".