200120120992 has 48 divisors (see below), whose sum is σ = 430085333664. Its totient is φ = 90904032000.

The previous prime is 200120120989. The next prime is 200120120999. The reversal of 200120120992 is 299021021002.

It is a self number, because there is not a number n which added to its sum of digits gives 200120120992.

It is not an unprimeable number, because it can be changed into a prime (200120120999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353242 + ... + 724582.

It is an arithmetic number, because the mean of its divisors is an integer number (8960111118).

Almost surely, 2^200120120992 is an apocalyptic number.

200120120992 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

200120120992 is an abundant number, since it is smaller than the sum of its proper divisors (229965212672).

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

200120120992 is a wasteful number, since it uses less digits than its factorization.

200120120992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372893 (or 372885 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

Adding to 200120120992 its reverse (299021021002), we get a palindrome (499141141994).

The spelling of 200120120992 in words is "two hundred billion, one hundred twenty million, one hundred twenty thousand, nine hundred ninety-two".