220868592 has 40 divisors (see below), whose sum is σ = 652089216. Its totient is φ = 63105216.

The previous prime is 220868591. The next prime is 220868629. The reversal of 220868592 is 295868022.

220868592 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220868591) 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, 328338 + ... + 329009.

Almost surely, 2^220868592 is an apocalyptic number.

It is an amenable number.

220868592 is an abundant number, since it is smaller than the sum of its proper divisors (431220624).

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

220868592 is a wasteful number, since it uses less digits than its factorization.

220868592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657365 (or 657359 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 220868592 is about 14861.6483607977. The cubic root of 220868592 is about 604.4745039637.

The spelling of 220868592 in words is "two hundred twenty million, eight hundred sixty-eight thousand, five hundred ninety-two".