220045085 has 16 divisors (see below), whose sum is σ = 288615936. Its totient is φ = 160066368.

The previous prime is 220045081. The next prime is 220045097. The reversal of 220045085 is 580540022.

It is a cyclic number.

It is not a de Polignac number, because 220045085 - 2² = 220045081 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 (220045081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20909 + ... + 29618.

It is an arithmetic number, because the mean of its divisors is an integer number (18038496).

Almost surely, 2^220045085 is an apocalyptic number.

It is an amenable number.

220045085 is a deficient number, since it is larger than the sum of its proper divisors (68570851).

220045085 is a wasteful number, since it uses less digits than its factorization.

220045085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50612.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 220045085 is about 14833.9167113746. The cubic root of 220045085 is about 603.7223086831.

The spelling of 220045085 in words is "two hundred twenty million, forty-five thousand, eighty-five".