220055 has 8 divisors (see below), whose sum is σ = 288144. Its totient is φ = 160000.

The previous prime is 220021. The next prime is 220057. The reversal of 220055 is 550022.

220055 is nontrivially palindromic in base 4.

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

It is not a de Polignac number, because 220055 - 2⁸ = 219799 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220057) 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, 1946 + ... + 2055.

It is an arithmetic number, because the mean of its divisors is an integer number (36018).

2²²⁰⁰⁵⁵ is an apocalyptic number.

220055 is a deficient number, since it is larger than the sum of its proper divisors (68089).

220055 is a wasteful number, since it uses less digits than its factorization.

220055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4017.

The product of its (nonzero) digits is 100, while the sum is 14.

The square root of 220055 is about 469.1002025154. The cubic root of 220055 is about 60.3731376244.

Adding to 220055 its reverse (550022), we get a palindrome (770077).

The spelling of 220055 in words is "two hundred twenty thousand, fifty-five".