220399124 has 24 divisors (see below), whose sum is σ = 421521408. Its totient is φ = 100000640.

The previous prime is 220399117. The next prime is 220399163. The reversal of 220399124 is 421993022.

220399124 is digitally balanced in base 3, 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 7 ways as a sum of consecutive naturals, for example, 21869 + ... + 30315.

It is an arithmetic number, because the mean of its divisors is an integer number (17563392).

Almost surely, 2^220399124 is an apocalyptic number.

It is an amenable number.

220399124 is a deficient number, since it is larger than the sum of its proper divisors (201122284).

220399124 is a wasteful number, since it uses less digits than its factorization.

220399124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9055 (or 9053 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 220399124 is about 14845.8453447421. The cubic root of 220399124 is about 604.0459192023.

The spelling of 220399124 in words is "two hundred twenty million, three hundred ninety-nine thousand, one hundred twenty-four".