202022220200 has 72 divisors (see below), whose sum is σ = 471115321950. Its totient is φ = 80566404480.

The previous prime is 202022220163. The next prime is 202022220247. The reversal of 202022220200 is 2022220202.

It is a happy number.

202022220200 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 3 ways, for example, as 180983878084 + 21038342116 = 425422^2 + 145046^2 .

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 24077606 + ... + 24085994.

Almost surely, 2^202022220200 is an apocalyptic number.

202022220200 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 202022220200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235557660975).

202022220200 is an abundant number, since it is smaller than the sum of its proper divisors (269093101750).

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

202022220200 is an equidigital number, since it uses as much as digits as its factorization.

202022220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9099 (or 8743 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 202022220200 its reverse (2022220202), we get a palindrome (204044440402).

The spelling of 202022220200 in words is "two hundred two billion, twenty-two million, two hundred twenty thousand, two hundred".