220173 has 8 divisors (see below), whose sum is σ = 297600. Its totient is φ = 144768.

The previous prime is 220169. The next prime is 220177. The reversal of 220173 is 371022.

220173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (220169) and next prime (220177).

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

It is not a de Polignac number, because 220173 - 2² = 220169 is a prime.

It is a super-2 number, since 2×220173² = 96952299858, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228 + ... + 701.

It is an arithmetic number, because the mean of its divisors is an integer number (37200).

2²²⁰¹⁷³ is an apocalyptic number.

It is an amenable number.

220173 is a deficient number, since it is larger than the sum of its proper divisors (77427).

220173 is an equidigital number, since it uses as much as digits as its factorization.

220173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011.

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

The square root of 220173 is about 469.2259583612. The cubic root of 220173 is about 60.3839269835.

Adding to 220173 its reverse (371022), we get a palindrome (591195).

It can be divided in two parts, 220 and 173, that added together give a palindrome (393).

The spelling of 220173 in words is "two hundred twenty thousand, one hundred seventy-three", and thus it is an iban number.