200155050120 has 128 divisors (see below), whose sum is σ = 641208960000. Its totient is φ = 49871754240.

The previous prime is 200155050107. The next prime is 200155050169. The reversal of 200155050120 is 21050551002.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 819795 + ... + 1035554.

It is an arithmetic number, because the mean of its divisors is an integer number (5009445000).

Almost surely, 2^200155050120 is an apocalyptic number.

200155050120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200155050120 is an abundant number, since it is smaller than the sum of its proper divisors (441053909880).

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

200155050120 is a wasteful number, since it uses less digits than its factorization.

200155050120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855423 (or 1855419 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The spelling of 200155050120 in words is "two hundred billion, one hundred fifty-five million, fifty thousand, one hundred twenty".