220204312 has 32 divisors (see below), whose sum is σ = 419312880. Its totient is φ = 108397440.

The previous prime is 220204289. The next prime is 220204321. The reversal of 220204312 is 213402022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358918 + ... + 359530.

Almost surely, 2^220204312 is an apocalyptic number.

It is an amenable number.

220204312 is a deficient number, since it is larger than the sum of its proper divisors (199108568).

220204312 is a wasteful number, since it uses less digits than its factorization.

220204312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243 (or 1239 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 220204312 is about 14839.2827319921. The cubic root of 220204312 is about 603.8678935674.

Adding to 220204312 its reverse (213402022), we get a palindrome (433606334).

The spelling of 220204312 in words is "two hundred twenty million, two hundred four thousand, three hundred twelve".