200120232120 has 128 divisors (see below), whose sum is σ = 639725947200. Its totient is φ = 49906262016.

The previous prime is 200120232097. The next prime is 200120232163. The reversal of 200120232120 is 21232021002.

It is a happy number.

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 200120232120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7866 + ... + 632694.

Almost surely, 2^200120232120 is an apocalyptic number.

200120232120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200120232120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319862973600).

200120232120 is an abundant number, since it is smaller than the sum of its proper divisors (439605715080).

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

200120232120 is a wasteful number, since it uses less digits than its factorization.

200120232120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625017 (or 625013 counting only the distinct ones).

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

Adding to 200120232120 its reverse (21232021002), we get a palindrome (221352253122).

The spelling of 200120232120 in words is "two hundred billion, one hundred twenty million, two hundred thirty-two thousand, one hundred twenty".