220755 has 8 divisors (see below), whose sum is σ = 353232. Its totient is φ = 117728.

The previous prime is 220747. The next prime is 220757. The reversal of 220755 is 557022.

220755 is nontrivially palindromic in base 16.

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

It is a cyclic number.

It is not a de Polignac number, because 220755 - 2³ = 220747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220757) 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, 7344 + ... + 7373.

It is an arithmetic number, because the mean of its divisors is an integer number (44154).

2²²⁰⁷⁵⁵ is an apocalyptic number.

220755 is a deficient number, since it is larger than the sum of its proper divisors (132477).

220755 is a wasteful number, since it uses less digits than its factorization.

220755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14725.

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 220755 is about 469.8457193590. The cubic root of 220755 is about 60.4370859769.

Adding to 220755 its reverse (557022), we get a palindrome (777777).

The spelling of 220755 in words is "two hundred twenty thousand, seven hundred fifty-five".