220942563 has 8 divisors (see below), whose sum is σ = 301775376. Its totient is φ = 143702400.

The previous prime is 220942559. The next prime is 220942571. The reversal of 220942563 is 365249022.

220942563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 220942563 - 2² = 220942559 is a prime.

It is a super-2 number, since 2×220942563² = 97631232290017938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220942663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 898018 + ... + 898263.

It is an arithmetic number, because the mean of its divisors is an integer number (37721922).

Almost surely, 2^220942563 is an apocalyptic number.

220942563 is a deficient number, since it is larger than the sum of its proper divisors (80832813).

220942563 is a wasteful number, since it uses less digits than its factorization.

220942563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796325.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 220942563 is about 14864.1368064210. The cubic root of 220942563 is about 604.5419778591.

The spelling of 220942563 in words is "two hundred twenty million, nine hundred forty-two thousand, five hundred sixty-three".