22356106920 has 576 divisors, whose sum is σ = 88989001920. Its totient is φ = 5032129536.

The previous prime is 22356106901. The next prime is 22356106961. The reversal of 22356106920 is 2960165322.

22356106920 is a `hidden beast` number, since 2 + 2 + 3 + 561 + 0 + 6 + 92 + 0 = 666.

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 143 ways as a sum of consecutive naturals, for example, 34768119 + ... + 34768761.

It is an arithmetic number, because the mean of its divisors is an integer number (154494795).

Almost surely, 2^22356106920 is an apocalyptic number.

22356106920 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 22356106920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44494500960).

22356106920 is an abundant number, since it is smaller than the sum of its proper divisors (66632895000).

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

22356106920 is a wasteful number, since it uses less digits than its factorization.

22356106920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756 (or 733 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 22356106920 in words is "twenty-two billion, three hundred fifty-six million, one hundred six thousand, nine hundred twenty".