22120906752 has 360 divisors, whose sum is σ = 75652449600. Its totient is φ = 6094061568.

The previous prime is 22120906741. The next prime is 22120906859. The reversal of 22120906752 is 25760902122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29933199 + ... + 29933937.

Almost surely, 2^22120906752 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 22120906752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37826224800).

22120906752 is an abundant number, since it is smaller than the sum of its proper divisors (53531542848).

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

22120906752 is an equidigital number, since it uses as much as digits as its factorization.

22120906752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809 (or 780 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 22120906752 in words is "twenty-two billion, one hundred twenty million, nine hundred six thousand, seven hundred fifty-two".