202099 has 2 divisors, whose sum is σ = 202100. Its totient is φ = 202098.

The previous prime is 202087. The next prime is 202109. The reversal of 202099 is 990202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202099 - 2⁵ = 202067 is a prime.

It is equal to p₁₈₁₅₇ and since 202099 and 18157 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (202049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101049 + 101050.

It is an arithmetic number, because the mean of its divisors is an integer number (101050).

2²⁰²⁰⁹⁹ is an apocalyptic number.

202099 is a deficient number, since it is larger than the sum of its proper divisors (1).

202099 is an equidigital number, since it uses as much as digits as its factorization.

202099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 202099 is about 449.5542236483. The cubic root of 202099 is about 58.6842269804.

The spelling of 202099 in words is "two hundred two thousand, ninety-nine".