220424404 has 12 divisors (see below), whose sum is σ = 386019424. Its totient is φ = 110133144.

The previous prime is 220424401. The next prime is 220424417. The reversal of 220424404 is 404424022.

220424404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220424401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13254 + ... + 24829.

Almost surely, 2^220424404 is an apocalyptic number.

It is an amenable number.

220424404 is a deficient number, since it is larger than the sum of its proper divisors (165595020).

220424404 is a wasteful number, since it uses less digits than its factorization.

220424404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39534 (or 39532 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 220424404 is about 14846.6967369850. The cubic root of 220424404 is about 604.0690132098.

Adding to 220424404 its reverse (404424022), we get a palindrome (624848426).

The spelling of 220424404 in words is "two hundred twenty million, four hundred twenty-four thousand, four hundred four".