22020120200 has 96 divisors (see below), whose sum is σ = 55175609160. Its totient is φ = 8124518400.

The previous prime is 22020120163. The next prime is 22020120257. The reversal of 22020120200 is 202102022.

It can be written as a sum of positive squares in 12 ways, for example, as 117896164 + 21902224036 = 10858^2 + 147994^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5190080 + ... + 5194320.

Almost surely, 2^22020120200 is an apocalyptic number.

22020120200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22020120200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27587804580).

22020120200 is an abundant number, since it is smaller than the sum of its proper divisors (33155488960).

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

22020120200 is a wasteful number, since it uses less digits than its factorization.

22020120200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6267 (or 6258 counting only the distinct ones).

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

Adding to 22020120200 its reverse (202102022), we get a palindrome (22222222222).

The spelling of 22020120200 in words is "twenty-two billion, twenty million, one hundred twenty thousand, two hundred".