220320244 has 12 divisors (see below), whose sum is σ = 385841344. Its totient is φ = 110079864.

The previous prime is 220320239. The next prime is 220320251. The reversal of 220320244 is 442023022.

220320244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 13662 + ... + 25045.

Almost surely, 2^220320244 is an apocalyptic number.

It is an amenable number.

220320244 is a deficient number, since it is larger than the sum of its proper divisors (165521100).

220320244 is a wasteful number, since it uses less digits than its factorization.

220320244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40134 (or 40132 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 220320244 is about 14843.1884714842. The cubic root of 220320244 is about 603.9738486989.

Adding to 220320244 its reverse (442023022), we get a palindrome (662343266).

The spelling of 220320244 in words is "two hundred twenty million, three hundred twenty thousand, two hundred forty-four".