220816085 has 8 divisors (see below), whose sum is σ = 302833536. Its totient is φ = 151416720.

The previous prime is 220816067. The next prime is 220816087. The reversal of 220816085 is 580618022.

220816085 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 220816085 - 2¹² = 220811989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220816087) 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, 3154481 + ... + 3154550.

It is an arithmetic number, because the mean of its divisors is an integer number (37854192).

Almost surely, 2^220816085 is an apocalyptic number.

It is an amenable number.

220816085 is a deficient number, since it is larger than the sum of its proper divisors (82017451).

220816085 is an equidigital number, since it uses as much as digits as its factorization.

220816085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6309043.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 220816085 is about 14859.8817290044. The cubic root of 220816085 is about 604.4265996753.

The spelling of 220816085 in words is "two hundred twenty million, eight hundred sixteen thousand, eighty-five".