200021122200 has 96 divisors (see below), whose sum is σ = 622085808960. Its totient is φ = 53165174400.

The previous prime is 200021122183. The next prime is 200021122201. The reversal of 200021122200 is 2221120002.

It is a super-2 number, since 2×200021122200² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200021122201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 358746 + ... + 727145.

It is an arithmetic number, because the mean of its divisors is an integer number (6480060510).

Almost surely, 2^200021122200 is an apocalyptic number.

200021122200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200021122200 is an abundant number, since it is smaller than the sum of its proper divisors (422064686760).

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

200021122200 is a wasteful number, since it uses less digits than its factorization.

200021122200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086217 (or 1086208 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 200021122200 its reverse (2221120002), we get a palindrome (202242242202).

The spelling of 200021122200 in words is "two hundred billion, twenty-one million, one hundred twenty-two thousand, two hundred".