200110019985 has 144 divisors (see below), whose sum is σ = 386712488448. Its totient is φ = 95560819200.

The previous prime is 200110019981. The next prime is 200110020017. The reversal of 200110019985 is 589910011002.

It is not a de Polignac number, because 200110019985 - 2² = 200110019981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200110019981) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 21649965 + ... + 21659205.

It is an arithmetic number, because the mean of its divisors is an integer number (2685503392).

Almost surely, 2^200110019985 is an apocalyptic number.

It is an amenable number.

200110019985 is a deficient number, since it is larger than the sum of its proper divisors (186602468463).

200110019985 is a wasteful number, since it uses less digits than its factorization.

200110019985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9364 (or 9342 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 36.

The spelling of 200110019985 in words is "two hundred billion, one hundred ten million, nineteen thousand, nine hundred eighty-five".