200120110120 has 96 divisors (see below), whose sum is σ = 523915183080. Its totient is φ = 68595394560.

The previous prime is 200120110097. The next prime is 200120110139. The reversal of 200120110120 is 21011021002.

It can be written as a sum of positive squares in 4 ways, for example, as 109914793156 + 90205316964 = 331534^2 + 300342^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 200120110097 and 200120110106.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9666180 + ... + 9686860.

Almost surely, 2^200120110120 is an apocalyptic number.

200120110120 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 200120110120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261957591540).

200120110120 is an abundant number, since it is smaller than the sum of its proper divisors (323795072960).

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

200120110120 is a wasteful number, since it uses less digits than its factorization.

200120110120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25643 (or 25632 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 200120110120 its reverse (21011021002), we get a palindrome (221131131122).

The spelling of 200120110120 in words is "two hundred billion, one hundred twenty million, one hundred ten thousand, one hundred twenty".