202120102200 has 96 divisors (see below), whose sum is σ = 626812560000. Its totient is φ = 53878028160.

The previous prime is 202120102193. The next prime is 202120102241. The reversal of 202120102200 is 2201021202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1534551 + ... + 1661049.

It is an arithmetic number, because the mean of its divisors is an integer number (6529297500).

Almost surely, 2^202120102200 is an apocalyptic number.

202120102200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202120102200 is an abundant number, since it is smaller than the sum of its proper divisors (424692457800).

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

202120102200 is a wasteful number, since it uses less digits than its factorization.

202120102200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129181 (or 129172 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 202120102200 its reverse (2201021202), we get a palindrome (204321123402).

The spelling of 202120102200 in words is "two hundred two billion, one hundred twenty million, one hundred two thousand, two hundred".