220634004 has 24 divisors (see below), whose sum is σ = 541908640. Its totient is φ = 69673824.

The previous prime is 220633951. The next prime is 220634017. The reversal of 220634004 is 400436022.

220634004 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 7 ways as a sum of consecutive naturals, for example, 483619 + ... + 484074.

Almost surely, 2^220634004 is an apocalyptic number.

It is an amenable number.

220634004 is an abundant number, since it is smaller than the sum of its proper divisors (321274636).

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

220634004 is a wasteful number, since it uses less digits than its factorization.

220634004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967719 (or 967717 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 220634004 is about 14853.7538689720. The cubic root of 220634004 is about 604.2604208645.

The spelling of 220634004 in words is "two hundred twenty million, six hundred thirty-four thousand, four".