220200285 has 16 divisors (see below), whose sum is σ = 363686400. Its totient is φ = 113651520.

The previous prime is 220200263. The next prime is 220200293. The reversal of 220200285 is 582002022.

It is not a de Polignac number, because 220200285 - 2²² = 216005981 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236310 + ... + 237239.

It is an arithmetic number, because the mean of its divisors is an integer number (22730400).

Almost surely, 2^220200285 is an apocalyptic number.

It is an amenable number.

220200285 is a deficient number, since it is larger than the sum of its proper divisors (143486115).

220200285 is a wasteful number, since it uses less digits than its factorization.

220200285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473588.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 220200285 is about 14839.1470442206. The cubic root of 220200285 is about 603.8642124545.

The spelling of 220200285 in words is "two hundred twenty million, two hundred thousand, two hundred eighty-five".