22112200020 has 48 divisors (see below), whose sum is σ = 62386809408. Its totient is φ = 5851572480.

The previous prime is 22112200001. The next prime is 22112200039. The reversal of 22112200020 is 2000221122.

It is an interprime number because it is at equal distance from previous prime (22112200001) and next prime (22112200039).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 22112199969 and 22112200005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1398769 + ... + 1414488.

It is an arithmetic number, because the mean of its divisors is an integer number (1299725196).

Almost surely, 2^22112200020 is an apocalyptic number.

22112200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22112200020 is an abundant number, since it is smaller than the sum of its proper divisors (40274609388).

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

22112200020 is a wasteful number, since it uses less digits than its factorization.

22112200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2813400 (or 2813398 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22112200020 its reverse (2000221122), we get a palindrome (24112421142).

The spelling of 22112200020 in words is "twenty-two billion, one hundred twelve million, two hundred thousand, twenty".