200816000309 has 4 divisors (see below), whose sum is σ = 200816903820. Its totient is φ = 200815096800.

The previous prime is 200816000299. The next prime is 200816000311. The reversal of 200816000309 is 903000618002.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 113516434084 + 87299566225 = 336922^2 + 295465^2 .

It is a cyclic number.

It is not a de Polignac number, because 200816000309 - 2⁴ = 200816000293 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200816000339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140147 + ... + 649055.

It is an arithmetic number, because the mean of its divisors is an integer number (50204225955).

Almost surely, 2^200816000309 is an apocalyptic number.

It is an amenable number.

200816000309 is a deficient number, since it is larger than the sum of its proper divisors (903511).

200816000309 is an equidigital number, since it uses as much as digits as its factorization.

200816000309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903510.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 200816000309 in words is "two hundred billion, eight hundred sixteen million, three hundred nine", and thus it is an aban number.