220011255 has 32 divisors (see below), whose sum is σ = 404625600. Its totient is φ = 113291136.

The previous prime is 220011251. The next prime is 220011257. The reversal of 220011255 is 552110022.

It is not a de Polignac number, because 220011255 - 2² = 220011251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220011251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24184 + ... + 32013.

It is an arithmetic number, because the mean of its divisors is an integer number (12644550).

Almost surely, 2^220011255 is an apocalyptic number.

220011255 is a deficient number, since it is larger than the sum of its proper divisors (184614345).

220011255 is a wasteful number, since it uses less digits than its factorization.

220011255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56240 (or 56234 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 220011255 is about 14832.7763753115. The cubic root of 220011255 is about 603.6913680959.

Adding to 220011255 its reverse (552110022), we get a palindrome (772121277).

The spelling of 220011255 in words is "two hundred twenty million, eleven thousand, two hundred fifty-five".