220356955 has 16 divisors (see below), whose sum is σ = 325450944. Its totient is φ = 139478400.

The previous prime is 220356953. The next prime is 220356967. The reversal of 220356955 is 559653022.

It is not a de Polignac number, because 220356955 - 2¹ = 220356953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220356953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241696 + ... + 242605.

It is an arithmetic number, because the mean of its divisors is an integer number (20340684).

Almost surely, 2^220356955 is an apocalyptic number.

220356955 is a deficient number, since it is larger than the sum of its proper divisors (105093989).

220356955 is a wasteful number, since it uses less digits than its factorization.

220356955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484326.

The product of its (nonzero) digits is 81000, while the sum is 37.

The square root of 220356955 is about 14844.4250478084. The cubic root of 220356955 is about 604.0073926774.

The spelling of 220356955 in words is "two hundred twenty million, three hundred fifty-six thousand, nine hundred fifty-five".