200099999 has 12 divisors (see below), whose sum is σ = 220500168. Its totient is φ = 181449840.

The previous prime is 200099987. The next prime is 200100007. The reversal of 200099999 is 999990002.

It is a happy number.

It is not a de Polignac number, because 200099999 - 2⁸ = 200099743 is a prime.

It is a Duffinian number.

200099999 is a modest number, since divided by 99999 gives 2000 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200099909) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 51737 + ... + 55469.

It is an arithmetic number, because the mean of its divisors is an integer number (18375014).

Almost surely, 2^200099999 is an apocalyptic number.

200099999 is a deficient number, since it is larger than the sum of its proper divisors (20400169).

200099999 is a wasteful number, since it uses less digits than its factorization.

200099999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4198 (or 4187 counting only the distinct ones).

The product of its (nonzero) digits is 118098, while the sum is 47.

The square root of 200099999 is about 14145.6706804591. The cubic root of 200099999 is about 584.9009976861.

The spelling of 200099999 in words is "two hundred million, ninety-nine thousand, nine hundred ninety-nine".