220012404 has 48 divisors (see below), whose sum is σ = 520914240. Its totient is φ = 72267520.

The previous prime is 220012379. The next prime is 220012409. The reversal of 220012404 is 404210022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220012409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271552 + ... + 272360.

It is an arithmetic number, because the mean of its divisors is an integer number (10852380).

Almost surely, 2^220012404 is an apocalyptic number.

It is an amenable number.

220012404 is an abundant number, since it is smaller than the sum of its proper divisors (300901836).

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

220012404 is a wasteful number, since it uses less digits than its factorization.

220012404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120 (or 1118 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 220012404 is about 14832.8151070523. The cubic root of 220012404 is about 603.6924190121.

Adding to 220012404 its reverse (404210022), we get a palindrome (624222426).

The spelling of 220012404 in words is "two hundred twenty million, twelve thousand, four hundred four".