220848992 has 96 divisors (see below), whose sum is σ = 539784000. Its totient is φ = 86611968.

The previous prime is 220848941. The next prime is 220849009. The reversal of 220848992 is 299848022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433634 + ... + 434142.

It is an arithmetic number, because the mean of its divisors is an integer number (5622750).

Almost surely, 2^220848992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220848992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269892000).

220848992 is an abundant number, since it is smaller than the sum of its proper divisors (318935008).

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

220848992 is a wasteful number, since it uses less digits than its factorization.

220848992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688 (or 680 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 220848992 is about 14860.9889307542. The cubic root of 220848992 is about 604.4566229684.

The spelling of 220848992 in words is "two hundred twenty million, eight hundred forty-eight thousand, nine hundred ninety-two".