22200000020 has 24 divisors (see below), whose sum is σ = 50858182368. Its totient is φ = 8072727200.

The previous prime is 22199999977. The next prime is 22200000049. The reversal of 22200000020 is 2000000222.

It is a junction number, because it is equal to n+sod(n) for n = 22199999953 and 22200000007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50454326 + ... + 50454765.

It is an arithmetic number, because the mean of its divisors is an integer number (2119090932).

Almost surely, 2^22200000020 is an apocalyptic number.

22200000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22200000020 is an abundant number, since it is smaller than the sum of its proper divisors (28658182348).

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

22200000020 is a wasteful number, since it uses less digits than its factorization.

22200000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100909111 (or 100909109 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

Adding to 22200000020 its reverse (2000000222), we get a palindrome (24200000242).

It can be divided in two parts, 2 and 2200000020, that added together give a palindrome (2200000022).

The spelling of 22200000020 in words is "twenty-two billion, two hundred million, twenty", and thus it is an aban number.