220851320 has 16 divisors (see below), whose sum is σ = 496915560. Its totient is φ = 88340512.

The previous prime is 220851299. The next prime is 220851391. The reversal of 220851320 is 23158022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2760602 + ... + 2760681.

Almost surely, 2^220851320 is an apocalyptic number.

220851320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220851320 is an abundant number, since it is smaller than the sum of its proper divisors (276064240).

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

220851320 is a wasteful number, since it uses less digits than its factorization.

220851320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5521294 (or 5521290 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 220851320 is about 14861.0672564254. The cubic root of 220851320 is about 604.4587468482.

The spelling of 220851320 in words is "two hundred twenty million, eight hundred fifty-one thousand, three hundred twenty".