220386580 has 24 divisors (see below), whose sum is σ = 468391392. Its totient is φ = 87091872.

The previous prime is 220386577. The next prime is 220386581. The reversal of 220386580 is 85683022.

220386580 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

220386580 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220386581) 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, 64722 + ... + 68041.

It is an arithmetic number, because the mean of its divisors is an integer number (19516308).

Almost surely, 2^220386580 is an apocalyptic number.

220386580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220386580 is an abundant number, since it is smaller than the sum of its proper divisors (248004812).

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

220386580 is a wasteful number, since it uses less digits than its factorization.

220386580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132855 (or 132853 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 220386580 is about 14845.4228636304. The cubic root of 220386580 is about 604.0344592418.

The spelling of 220386580 in words is "two hundred twenty million, three hundred eighty-six thousand, five hundred eighty".