563456020 has 36 divisors (see below), whose sum is σ = 1248828084. Its totient is φ = 213517440.

The previous prime is 563455999. The next prime is 563456029. The reversal of 563456020 is 20654365.

It can be written as a sum of positive squares in 2 ways, for example, as 128232976 + 435223044 = 11324^2 + 20862^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563456029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31801 + ... + 46240.

It is an arithmetic number, because the mean of its divisors is an integer number (34689669).

Almost surely, 2^563456020 is an apocalyptic number.

It is an amenable number.

563456020 is an abundant number, since it is smaller than the sum of its proper divisors (685372064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

563456020 is a wasteful number, since it uses less digits than its factorization.

563456020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78088 (or 78067 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 563456020 is about 23737.2285661153. The cubic root of 563456020 is about 825.9492080465.

The spelling of 563456020 in words is "five hundred sixty-three million, four hundred fifty-six thousand, twenty".