220339 has 4 divisors (see below), whose sum is σ = 251824. Its totient is φ = 188856.

The previous prime is 220333. The next prime is 220351. The reversal of 220339 is 933022.

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 220339 - 2⁵ = 220307 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15732 + ... + 15745.

It is an arithmetic number, because the mean of its divisors is an integer number (62956).

2²²⁰³³⁹ is an apocalyptic number.

220339 is a deficient number, since it is larger than the sum of its proper divisors (31485).

220339 is an equidigital number, since it uses as much as digits as its factorization.

220339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31484.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 220339 is about 469.4028120921. The cubic root of 220339 is about 60.3990987103.

The spelling of 220339 in words is "two hundred twenty thousand, three hundred thirty-nine".