220564353 has 4 divisors (see below), whose sum is σ = 294085808. Its totient is φ = 147042900.

The previous prime is 220564291. The next prime is 220564367. The reversal of 220564353 is 353465022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 220564353 - 2⁹ = 220563841 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220564353.

It is not an unprimeable number, because it can be changed into a prime (220564753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36760723 + ... + 36760728.

It is an arithmetic number, because the mean of its divisors is an integer number (73521452).

Almost surely, 2^220564353 is an apocalyptic number.

It is an amenable number.

220564353 is a deficient number, since it is larger than the sum of its proper divisors (73521455).

220564353 is an equidigital number, since it uses as much as digits as its factorization.

220564353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73521454.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 220564353 is about 14851.4091250628. The cubic root of 220564353 is about 604.1968287143.

The spelling of 220564353 in words is "two hundred twenty million, five hundred sixty-four thousand, three hundred fifty-three".