202023212100 has 36 divisors (see below), whose sum is σ = 584520494544. Its totient is φ = 53872856480.

The previous prime is 202023212093. The next prime is 202023212113. The reversal of 202023212100 is 1212320202.

It is a happy number.

202023212100 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 (15).

It is a self number, because there is not a number n which added to its sum of digits gives 202023212100.

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, 336705054 + ... + 336705653.

It is an arithmetic number, because the mean of its divisors is an integer number (16236680404).

Almost surely, 2^202023212100 is an apocalyptic number.

202023212100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202023212100 is an abundant number, since it is smaller than the sum of its proper divisors (382497282444).

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

202023212100 is a wasteful number, since it uses less digits than its factorization.

202023212100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673410724 (or 673410717 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 202023212100 its reverse (1212320202), we get a palindrome (203235532302).

The spelling of 202023212100 in words is "two hundred two billion, twenty-three million, two hundred twelve thousand, one hundred".