220000000404 has 24 divisors (see below), whose sum is σ = 513682344448. Its totient is φ = 73283474880.

The previous prime is 220000000399. The next prime is 220000000427. The reversal of 220000000404 is 404000000022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 220000000404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6213937 + ... + 6249240.

Almost surely, 2^220000000404 is an apocalyptic number.

It is an amenable number.

220000000404 is an abundant number, since it is smaller than the sum of its proper divisors (293682344044).

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

220000000404 is a wasteful number, since it uses less digits than its factorization.

220000000404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12464655 (or 12464653 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 220000000404 its reverse (404000000022), we get a palindrome (624000000426).

The spelling of 220000000404 in words is "two hundred twenty billion, four hundred four", and thus it is an aban number.