220244004 has 36 divisors (see below), whose sum is σ = 557240320. Its totient is φ = 73347120.

The previous prime is 220243967. The next prime is 220244071. The reversal of 220244004 is 400442022.

220244004 is a `hidden beast` number, since 220 + 2 + 440 + 0 + 4 = 666.

220244004 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50877 + ... + 55035.

Almost surely, 2^220244004 is an apocalyptic number.

It is an amenable number.

220244004 is an abundant number, since it is smaller than the sum of its proper divisors (336996316).

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

220244004 is a wasteful number, since it uses less digits than its factorization.

220244004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5640 (or 5635 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 220244004 is about 14840.6200679082. The cubic root of 220244004 is about 603.9041739415.

Adding to 220244004 its reverse (400442022), we get a palindrome (620686026).

The spelling of 220244004 in words is "two hundred twenty million, two hundred forty-four thousand, four".