8303220563 has 16 divisors (see below), whose sum is σ = 9624134880. Its totient is φ = 7104313600.

The previous prime is 8303220551. The next prime is 8303220581. The reversal of 8303220563 is 3650223038.

It is not a de Polignac number, because 8303220563 - 2¹⁰ = 8303219539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8303220763) 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, 22778 + ... + 130863.

It is an arithmetic number, because the mean of its divisors is an integer number (601508430).

Almost surely, 2^8303220563 is an apocalyptic number.

8303220563 is a deficient number, since it is larger than the sum of its proper divisors (1320914317).

8303220563 is a wasteful number, since it uses less digits than its factorization.

8303220563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153703 (or 153669 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 8303220563 is about 91122.0092129229. The cubic root of 8303220563 is about 2024.9556918009.

The spelling of 8303220563 in words is "eight billion, three hundred three million, two hundred twenty thousand, five hundred sixty-three".