202100022200 has 96 divisors (see below), whose sum is σ = 497753521200. Its totient is φ = 76049418240.

The previous prime is 202100022167. The next prime is 202100022203. The reversal of 202100022200 is 2220001202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202100022203) 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, 8001191 + ... + 8026409.

Almost surely, 2^202100022200 is an apocalyptic number.

202100022200 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 202100022200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248876760600).

202100022200 is an abundant number, since it is smaller than the sum of its proper divisors (295653499000).

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

202100022200 is a wasteful number, since it uses less digits than its factorization.

202100022200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27609 (or 27600 counting only the distinct ones).

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

Adding to 202100022200 its reverse (2220001202), we get a palindrome (204320023402).

The spelling of 202100022200 in words is "two hundred two billion, one hundred million, twenty-two thousand, two hundred".