202020221200120 has 64 divisors (see below), whose sum is σ = 464068800195840. Its totient is φ = 79126937856000.

The previous prime is 202020221200117. The next prime is 202020221200151. The reversal of 202020221200120 is 21002122020202.

It is a junction number, because it is equal to n+sod(n) for n = 202020221200094 and 202020221200103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185095281 + ... + 186183520.

It is an arithmetic number, because the mean of its divisors is an integer number (7251075003060).

Almost surely, 2^{202020221200120} is an apocalyptic number.

202020221200120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202020221200120 is an abundant number, since it is smaller than the sum of its proper divisors (262048578995720).

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

202020221200120 is a wasteful number, since it uses less digits than its factorization.

202020221200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371279096 (or 371279092 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 202020221200120 its reverse (21002122020202), we get a palindrome (223022343220322).

The spelling of 202020221200120 in words is "two hundred two trillion, twenty billion, two hundred twenty-one million, two hundred thousand, one hundred twenty".