220334004 has 36 divisors (see below), whose sum is σ = 607588800. Its totient is φ = 66767760.

The previous prime is 220333999. The next prime is 220334027. The reversal of 220334004 is 400433022.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 277804 + ... + 278595.

Almost surely, 2^220334004 is an apocalyptic number.

It is an amenable number.

220334004 is an abundant number, since it is smaller than the sum of its proper divisors (387254796).

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

220334004 is a wasteful number, since it uses less digits than its factorization.

220334004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556420 (or 556415 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 220334004 is about 14843.6519765184. The cubic root of 220334004 is about 603.9864220739.

Adding to 220334004 its reverse (400433022), we get a palindrome (620767026).

The spelling of 220334004 in words is "two hundred twenty million, three hundred thirty-four thousand, four".