220317 has 16 divisors (see below), whose sum is σ = 319488. Its totient is φ = 134640.

The previous prime is 220307. The next prime is 220327. The reversal of 220317 is 713022.

It is an interprime number because it is at equal distance from previous prime (220307) and next prime (220327).

It is not a de Polignac number, because 220317 - 2⁴ = 220301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220296 and 220305.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 220317.

It is not an unprimeable number, because it can be changed into a prime (220307) 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 15 ways as a sum of consecutive naturals, for example, 2088 + ... + 2190.

It is an arithmetic number, because the mean of its divisors is an integer number (19968).

2²²⁰³¹⁷ is an apocalyptic number.

It is an amenable number.

220317 is a deficient number, since it is larger than the sum of its proper divisors (99171).

220317 is a wasteful number, since it uses less digits than its factorization.

220317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 220317 is about 469.3793774763. The cubic root of 220317 is about 60.3970884376.

Adding to 220317 its reverse (713022), we get a palindrome (933339).

The spelling of 220317 in words is "two hundred twenty thousand, three hundred seventeen", and thus it is an iban number.