220563755 has 8 divisors (see below), whose sum is σ = 266207472. Its totient is φ = 175430368.

The previous prime is 220563709. The next prime is 220563757. The reversal of 220563755 is 557365022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220563755 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220563757) 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 7 ways as a sum of consecutive naturals, for example, 126629 + ... + 128358.

It is an arithmetic number, because the mean of its divisors is an integer number (33275934).

Almost surely, 2^220563755 is an apocalyptic number.

220563755 is a deficient number, since it is larger than the sum of its proper divisors (45643717).

220563755 is a wasteful number, since it uses less digits than its factorization.

220563755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255165.

The product of its (nonzero) digits is 63000, while the sum is 35.

The square root of 220563755 is about 14851.3889922795. The cubic root of 220563755 is about 604.1962826756.

The spelling of 220563755 in words is "two hundred twenty million, five hundred sixty-three thousand, seven hundred fifty-five".