220247863 has 16 divisors (see below), whose sum is σ = 243331200. Its totient is φ = 197693280.

The previous prime is 220247851. The next prime is 220247879. The reversal of 220247863 is 368742022.

It is a cyclic number.

It is not a de Polignac number, because 220247863 - 2⁵ = 220247831 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 (220247803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432453 + ... + 432961.

It is an arithmetic number, because the mean of its divisors is an integer number (15208200).

Almost surely, 2^220247863 is an apocalyptic number.

220247863 is a deficient number, since it is larger than the sum of its proper divisors (23083337).

220247863 is a wasteful number, since it uses less digits than its factorization.

220247863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 220247863 is about 14840.7500821219. The cubic root of 220247863 is about 603.9077010184.

Adding to 220247863 its reverse (368742022), we get a palindrome (588989885).

The spelling of 220247863 in words is "two hundred twenty million, two hundred forty-seven thousand, eight hundred sixty-three".