320206 has 8 divisors (see below), whose sum is σ = 501264. Its totient is φ = 153120.

The previous prime is 320179. The next prime is 320209. The reversal of 320206 is 602023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320209) by changing a digit.

320206 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3435 + ... + 3526.

It is an arithmetic number, because the mean of its divisors is an integer number (62658).

2³²⁰²⁰⁶ is an apocalyptic number.

320206 is a deficient number, since it is larger than the sum of its proper divisors (181058).

320206 is a wasteful number, since it uses less digits than its factorization.

320206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6986.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 320206 is about 565.8674756513. The cubic root of 320206 is about 68.4137120122.

Adding to 320206 its reverse (602023), we get a palindrome (922229).

The spelling of 320206 in words is "three hundred twenty thousand, two hundred six".