202120120120 has 16 divisors (see below), whose sum is σ = 454770270360. Its totient is φ = 80848048032.

The previous prime is 202120120109. The next prime is 202120120177. The reversal of 202120120120 is 21021021202.

It is a happy number.

202120120120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 202120120120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2526501462 + ... + 2526501541.

Almost surely, 2^202120120120 is an apocalyptic number.

202120120120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202120120120 is an abundant number, since it is smaller than the sum of its proper divisors (252650150240).

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

202120120120 is a wasteful number, since it uses less digits than its factorization.

202120120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5053003014 (or 5053003010 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 202120120120 its reverse (21021021202), we get a palindrome (223141141322).

The spelling of 202120120120 in words is "two hundred two billion, one hundred twenty million, one hundred twenty thousand, one hundred twenty".