220565080 has 32 divisors (see below), whose sum is σ = 499330800. Its totient is φ = 87682176.

The previous prime is 220565057. The next prime is 220565087. The reversal of 220565080 is 80565022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220565087) 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, 10395 + ... + 23434.

Almost surely, 2^220565080 is an apocalyptic number.

220565080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220565080 is an abundant number, since it is smaller than the sum of its proper divisors (278765720).

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

220565080 is a wasteful number, since it uses less digits than its factorization.

220565080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34003 (or 33999 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 220565080 is about 14851.4336008346. The cubic root of 220565080 is about 604.1974925426.

The spelling of 220565080 in words is "two hundred twenty million, five hundred sixty-five thousand, eighty".