22200020320 has 24 divisors (see below), whose sum is σ = 52447548384. Its totient is φ = 8880008064.

The previous prime is 22200020287. The next prime is 22200020321. The reversal of 22200020320 is 2302000222.

It is a self number, because there is not a number n which added to its sum of digits gives 22200020320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200020321) 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 3 ways as a sum of consecutive naturals, for example, 69374904 + ... + 69375223.

It is an arithmetic number, because the mean of its divisors is an integer number (2185314516).

Almost surely, 2^22200020320 is an apocalyptic number.

22200020320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22200020320 is an abundant number, since it is smaller than the sum of its proper divisors (30247528064).

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

22200020320 is a wasteful number, since it uses less digits than its factorization.

22200020320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138750142 (or 138750134 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

Adding to 22200020320 its reverse (2302000222), we get a palindrome (24502020542).

The spelling of 22200020320 in words is "twenty-two billion, two hundred million, twenty thousand, three hundred twenty".