202000123120 has 40 divisors (see below), whose sum is σ = 479642854464. Its totient is φ = 79080897792.

The previous prime is 202000123079. The next prime is 202000123121. The reversal of 202000123120 is 21321000202.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 202000123120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202000123121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26857959 + ... + 26865478.

Almost surely, 2^202000123120 is an apocalyptic number.

202000123120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202000123120 is an abundant number, since it is smaller than the sum of its proper divisors (277642731344).

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

202000123120 is a wasteful number, since it uses less digits than its factorization.

202000123120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53723497 (or 53723491 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 202000123120 its reverse (21321000202), we get a palindrome (223321123322).

The spelling of 202000123120 in words is "two hundred two billion, one hundred twenty-three thousand, one hundred twenty".