22120011996 has 24 divisors (see below), whose sum is σ = 53857421184. Its totient is φ = 7052757360.

The previous prime is 22120011989. The next prime is 22120011997. The reversal of 22120011996 is 69911002122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120011997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40072210 + ... + 40072761.

It is an arithmetic number, because the mean of its divisors is an integer number (2244059216).

Almost surely, 2^22120011996 is an apocalyptic number.

It is an amenable number.

22120011996 is an abundant number, since it is smaller than the sum of its proper divisors (31737409188).

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

22120011996 is a wasteful number, since it uses less digits than its factorization.

22120011996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80145001 (or 80144999 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 33.

The spelling of 22120011996 in words is "twenty-two billion, one hundred twenty million, eleven thousand, nine hundred ninety-six".