200117556428 has 12 divisors (see below), whose sum is σ = 350212882992. Its totient is φ = 100056732720.

The previous prime is 200117556421. The next prime is 200117556433. The reversal of 200117556428 is 824655711002.

It is not an unprimeable number, because it can be changed into a prime (200117556421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279575 + ... + 691662.

It is an arithmetic number, because the mean of its divisors is an integer number (29184406916).

Almost surely, 2^200117556428 is an apocalyptic number.

It is an amenable number.

200117556428 is a deficient number, since it is larger than the sum of its proper divisors (150095326564).

200117556428 is a wasteful number, since it uses less digits than its factorization.

200117556428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022752 (or 1022750 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 41.

The spelling of 200117556428 in words is "two hundred billion, one hundred seventeen million, five hundred fifty-six thousand, four hundred twenty-eight".