320102099 has 4 divisors (see below), whose sum is σ = 320441064. Its totient is φ = 319763136.

The previous prime is 320102089. The next prime is 320102131. The reversal of 320102099 is 990201023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 320102099 - 2²⁰ = 319053523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320102039) 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, 168062 + ... + 169955.

It is an arithmetic number, because the mean of its divisors is an integer number (80110266).

Almost surely, 2^320102099 is an apocalyptic number.

320102099 is a deficient number, since it is larger than the sum of its proper divisors (338965).

320102099 is an equidigital number, since it uses as much as digits as its factorization.

320102099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338964.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 320102099 is about 17891.3973462108. The cubic root of 320102099 is about 684.0631154497.

The spelling of 320102099 in words is "three hundred twenty million, one hundred two thousand, ninety-nine".