220204430 has 8 divisors (see below), whose sum is σ = 396367992. Its totient is φ = 88081768.

The previous prime is 220204409. The next prime is 220204459. The reversal of 220204430 is 34402022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 220204399 and 220204408.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 11010212 + ... + 11010231.

It is an arithmetic number, because the mean of its divisors is an integer number (49545999).

Almost surely, 2^220204430 is an apocalyptic number.

220204430 is a deficient number, since it is larger than the sum of its proper divisors (176163562).

220204430 is a wasteful number, since it uses less digits than its factorization.

220204430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22020450.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 220204430 is about 14839.2867079250. The cubic root of 220204430 is about 603.8680014315.

Adding to 220204430 its reverse (34402022), we get a palindrome (254606452).

The spelling of 220204430 in words is "two hundred twenty million, two hundred four thousand, four hundred thirty".