202220200100 has 36 divisors (see below), whose sum is σ = 439436913300. Its totient is φ = 80773964160.

The previous prime is 202220200097. The next prime is 202220200111. The reversal of 202220200100 is 1002022202.

It can be written as a sum of positive squares in 6 ways, for example, as 7287353956 + 194932846144 = 85366^2 + 441512^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1355195 + ... + 1496994.

It is an arithmetic number, because the mean of its divisors is an integer number (12206580925).

Almost surely, 2^202220200100 is an apocalyptic number.

202220200100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202220200100 is an abundant number, since it is smaller than the sum of its proper divisors (237216713200).

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

202220200100 is a wasteful number, since it uses less digits than its factorization.

202220200100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2852912 (or 2852905 counting only the distinct ones).

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

Adding to 202220200100 its reverse (1002022202), we get a palindrome (203222222302).

The spelling of 202220200100 in words is "two hundred two billion, two hundred twenty million, two hundred thousand, one hundred".