220878230 has 32 divisors (see below), whose sum is σ = 424776960. Its totient is φ = 82447200.

The previous prime is 220878209. The next prime is 220878277. The reversal of 220878230 is 32878022.

220878230 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 15 ways as a sum of consecutive naturals, for example, 4055 + ... + 21405.

It is an arithmetic number, because the mean of its divisors is an integer number (13274280).

Almost surely, 2^220878230 is an apocalyptic number.

220878230 is a deficient number, since it is larger than the sum of its proper divisors (203898730).

220878230 is a wasteful number, since it uses less digits than its factorization.

220878230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17444.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 220878230 is about 14861.9726146969. The cubic root of 220878230 is about 604.4832962815.

The spelling of 220878230 in words is "two hundred twenty million, eight hundred seventy-eight thousand, two hundred thirty".