220563456 has 48 divisors (see below), whose sum is σ = 588042000. Its totient is φ = 73519104.

The previous prime is 220563439. The next prime is 220563461. The reversal of 220563456 is 654365022.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11806 + ... + 24093.

It is an arithmetic number, because the mean of its divisors is an integer number (12250875).

Almost surely, 2^220563456 is an apocalyptic number.

It is an amenable number.

220563456 is an abundant number, since it is smaller than the sum of its proper divisors (367478544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220563456 is an equidigital number, since it uses as much as digits as its factorization.

220563456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35924 (or 35904 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 220563456 is about 14851.3789258776. The cubic root of 220563456 is about 604.1960096558.

The spelling of 220563456 in words is "two hundred twenty million, five hundred sixty-three thousand, four hundred fifty-six".