220463805 has 16 divisors (see below), whose sum is σ = 353658240. Its totient is φ = 117275328.

The previous prime is 220463801. The next prime is 220463813. The reversal of 220463805 is 508364022.

It is not a de Polignac number, because 220463805 - 2² = 220463801 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220463801) 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, 13057 + ... + 24726.

It is an arithmetic number, because the mean of its divisors is an integer number (22103640).

Almost surely, 2^220463805 is an apocalyptic number.

It is an amenable number.

220463805 is a deficient number, since it is larger than the sum of its proper divisors (133194435).

220463805 is a wasteful number, since it uses less digits than its factorization.

220463805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38180.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 220463805 is about 14848.0236058541. The cubic root of 220463805 is about 604.1050036367.

The spelling of 220463805 in words is "two hundred twenty million, four hundred sixty-three thousand, eight hundred five".