220423204 has 6 divisors (see below), whose sum is σ = 385740614. Its totient is φ = 110211600.

The previous prime is 220423201. The next prime is 220423211. The reversal of 220423204 is 402324022.

220423204 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 170041600 + 50381604 = 13040^2 + 7098^2 .

It is not an unprimeable number, because it can be changed into a prime (220423201) 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 as a sum of consecutive naturals, namely, 27552897 + ... + 27552904.

Almost surely, 2^220423204 is an apocalyptic number.

It is an amenable number.

220423204 is a deficient number, since it is larger than the sum of its proper divisors (165317410).

220423204 is a wasteful number, since it uses less digits than its factorization.

220423204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55105805 (or 55105803 counting only the distinct ones).

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

The square root of 220423204 is about 14846.6563239000. The cubic root of 220423204 is about 604.0679170152.

Adding to 220423204 its reverse (402324022), we get a palindrome (622747226).

The spelling of 220423204 in words is "two hundred twenty million, four hundred twenty-three thousand, two hundred four".