220043404 has 12 divisors (see below), whose sum is σ = 440086864. Its totient is φ = 94304304.

The previous prime is 220043401. The next prime is 220043419. The reversal of 220043404 is 404340022.

220043404 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (220043401) 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, 3929319 + ... + 3929374.

Almost surely, 2^220043404 is an apocalyptic number.

It is an amenable number.

220043404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

220043404 is a wasteful number, since it uses less digits than its factorization.

220043404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7858704 (or 7858702 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 220043404 is about 14833.8600505735. The cubic root of 220043404 is about 603.7207713318.

Adding to 220043404 its reverse (404340022), we get a palindrome (624383426).

The spelling of 220043404 in words is "two hundred twenty million, forty-three thousand, four hundred four".