200102309 has 16 divisors (see below), whose sum is σ = 221907840. Its totient is φ = 178925760.

The previous prime is 200102297. The next prime is 200102317. The reversal of 200102309 is 903201002.

It is a cyclic number.

It is not a de Polignac number, because 200102309 - 2²⁰ = 199053733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200102209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187712 + ... + 188774.

It is an arithmetic number, because the mean of its divisors is an integer number (13869240).

Almost surely, 2^200102309 is an apocalyptic number.

It is an amenable number.

200102309 is a deficient number, since it is larger than the sum of its proper divisors (21805531).

200102309 is a wasteful number, since it uses less digits than its factorization.

200102309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 200102309 is about 14145.7523306468. The cubic root of 200102309 is about 584.9032484210.

The spelling of 200102309 in words is "two hundred million, one hundred two thousand, three hundred nine".