220204663 has 8 divisors (see below), whose sum is σ = 251785728. Its totient is φ = 188654424.

The previous prime is 220204657. The next prime is 220204669. The reversal of 220204663 is 366402022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (220204657) and next prime (220204669).

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

It is a de Polignac number, because none of the positive numbers 2^k-220204663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220204669) 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 7 ways as a sum of consecutive naturals, for example, 10470 + ... + 23452.

It is an arithmetic number, because the mean of its divisors is an integer number (31473216).

Almost surely, 2^220204663 is an apocalyptic number.

220204663 is a deficient number, since it is larger than the sum of its proper divisors (31581065).

220204663 is a wasteful number, since it uses less digits than its factorization.

220204663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15413.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 220204663 is about 14839.2945587046. The cubic root of 220204663 is about 603.8682144172.

Adding to 220204663 its reverse (366402022), we get a palindrome (586606685).

The spelling of 220204663 in words is "two hundred twenty million, two hundred four thousand, six hundred sixty-three".