220017 has 8 divisors (see below), whose sum is σ = 335296. Its totient is φ = 125712.

The previous prime is 220013. The next prime is 220019. The reversal of 220017 is 710022.

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

It is not a de Polignac number, because 220017 - 2² = 220013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 219984 and 220011.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 220017.

It is not an unprimeable number, because it can be changed into a prime (220013) 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 7 ways as a sum of consecutive naturals, for example, 5218 + ... + 5259.

It is an arithmetic number, because the mean of its divisors is an integer number (41912).

2²²⁰⁰¹⁷ is an apocalyptic number.

It is an amenable number.

220017 is a deficient number, since it is larger than the sum of its proper divisors (115279).

220017 is a wasteful number, since it uses less digits than its factorization.

220017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10487.

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 220017 is about 469.0596976932. The cubic root of 220017 is about 60.3696622640.

Adding to 220017 its reverse (710022), we get a palindrome (930039).

The spelling of 220017 in words is "two hundred twenty thousand, seventeen", and thus it is an iban number.