220404002 has 32 divisors (see below), whose sum is σ = 420940800. Its totient is φ = 84184128.

The previous prime is 220403993. The next prime is 220404007. The reversal of 220404002 is 200404022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (220404007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15602 + ... + 26157.

It is an arithmetic number, because the mean of its divisors is an integer number (13154400).

Almost surely, 2^220404002 is an apocalyptic number.

220404002 is a deficient number, since it is larger than the sum of its proper divisors (200536798).

220404002 is a wasteful number, since it uses less digits than its factorization.

220404002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41810.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 220404002 is about 14846.0096322210. The cubic root of 220404002 is about 604.0503755332.

Adding to 220404002 its reverse (200404022), we get a palindrome (420808024).

The spelling of 220404002 in words is "two hundred twenty million, four hundred four thousand, two".