202120122200 has 192 divisors, whose sum is σ = 497038187520. Its totient is φ = 76285440000.

The previous prime is 202120122179. The next prime is 202120122241. The reversal of 202120122200 is 2221021202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 192311675 + ... + 192312725.

It is an arithmetic number, because the mean of its divisors is an integer number (2588740560).

Almost surely, 2^202120122200 is an apocalyptic number.

202120122200 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 202120122200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248519093760).

202120122200 is an abundant number, since it is smaller than the sum of its proper divisors (294918065320).

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

202120122200 is a wasteful number, since it uses less digits than its factorization.

202120122200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618 (or 1609 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202120122200 its reverse (2221021202), we get a palindrome (204341143402).

The spelling of 202120122200 in words is "two hundred two billion, one hundred twenty million, one hundred twenty-two thousand, two hundred".