22200120220 has 48 divisors (see below), whose sum is σ = 49695206400. Its totient is φ = 8306176320.

The previous prime is 22200120197. The next prime is 22200120247. The reversal of 22200120220 is 2202100222.

It is a self number, because there is not a number n which added to its sum of digits gives 22200120220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339736 + ... + 399775.

It is an arithmetic number, because the mean of its divisors is an integer number (1035316800).

Almost surely, 2^22200120220 is an apocalyptic number.

22200120220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22200120220 is an abundant number, since it is smaller than the sum of its proper divisors (27495086180).

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

22200120220 is a wasteful number, since it uses less digits than its factorization.

22200120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739618 (or 739616 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 22200120220 its reverse (2202100222), we get a palindrome (24402220442).

The spelling of 22200120220 in words is "twenty-two billion, two hundred million, one hundred twenty thousand, two hundred twenty".