200020011994 has 32 divisors (see below), whose sum is σ = 333482480640. Its totient is φ = 89216478000.

The previous prime is 200020011979. The next prime is 200020012019. The reversal of 200020011994 is 499110020002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69732 + ... + 636319.

It is an arithmetic number, because the mean of its divisors is an integer number (10421327520).

Almost surely, 2^200020011994 is an apocalyptic number.

200020011994 is a deficient number, since it is larger than the sum of its proper divisors (133462468646).

200020011994 is a wasteful number, since it uses less digits than its factorization.

200020011994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706306.

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

Adding to 200020011994 its reverse (499110020002), we get a palindrome (699130031996).

The spelling of 200020011994 in words is "two hundred billion, twenty million, eleven thousand, nine hundred ninety-four".