202100200120 has 96 divisors (see below), whose sum is σ = 569656130400. Its totient is φ = 63961373952.

The previous prime is 202100200091. The next prime is 202100200123. The reversal of 202100200120 is 21002001202.

202100200120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 202100200097 and 202100200106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202100200123) 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, 3940380 + ... + 3991339.

It is an arithmetic number, because the mean of its divisors is an integer number (5933918025).

Almost surely, 2^202100200120 is an apocalyptic number.

202100200120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202100200120 is an abundant number, since it is smaller than the sum of its proper divisors (367555930280).

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

202100200120 is a wasteful number, since it uses less digits than its factorization.

202100200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7931757 (or 7931746 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 202100200120 its reverse (21002001202), we get a palindrome (223102201322).

The spelling of 202100200120 in words is "two hundred two billion, one hundred million, two hundred thousand, one hundred twenty".