22200002120 has 16 divisors (see below), whose sum is σ = 49950004860. Its totient is φ = 8880000832.

The previous prime is 22200002113. The next prime is 22200002161. The reversal of 22200002120 is 2120000222.

It can be written as a sum of positive squares in 2 ways, for example, as 22152750244 + 47251876 = 148838^2 + 6874^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277499987 + ... + 277500066.

Almost surely, 2^22200002120 is an apocalyptic number.

22200002120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22200002120 is an abundant number, since it is smaller than the sum of its proper divisors (27750002740).

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

22200002120 is a wasteful number, since it uses less digits than its factorization.

22200002120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555000064 (or 555000060 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 22200002120 its reverse (2120000222), we get a palindrome (24320002342).

The spelling of 22200002120 in words is "twenty-two billion, two hundred million, two thousand, one hundred twenty".