202122020200 has 48 divisors (see below), whose sum is σ = 497576863980. Its totient is φ = 76092994560.

The previous prime is 202122020153. The next prime is 202122020203. The reversal of 202122020200 is 2020221202.

202122020200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 95628140644 + 106493879556 = 309238^2 + 326334^2 .

It is a super-2 number, since 2×202122020200² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (202122020203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29720427 + ... + 29727226.

Almost surely, 2^202122020200 is an apocalyptic number.

202122020200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202122020200 is an abundant number, since it is smaller than the sum of its proper divisors (295454843780).

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

202122020200 is a wasteful number, since it uses less digits than its factorization.

202122020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59447686 (or 59447677 counting only the distinct ones).

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

Adding to 202122020200 its reverse (2020221202), we get a palindrome (204142241402).

The spelling of 202122020200 in words is "two hundred two billion, one hundred twenty-two million, twenty thousand, two hundred".