220904024 has 64 divisors (see below), whose sum is σ = 464140800. Its totient is φ = 97718400.

The previous prime is 220904011. The next prime is 220904063. The reversal of 220904024 is 420409022.

220904024 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, 815009 + ... + 815279.

It is an arithmetic number, because the mean of its divisors is an integer number (7252200).

Almost surely, 2^220904024 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 220904024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232070400).

220904024 is an abundant number, since it is smaller than the sum of its proper divisors (243236776).

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

220904024 is a wasteful number, since it uses less digits than its factorization.

220904024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 220904024 is about 14862.8403745717. The cubic root of 220904024 is about 604.5068257397.

The spelling of 220904024 in words is "two hundred twenty million, nine hundred four thousand, twenty-four".