20560562563 has 8 divisors (see below), whose sum is σ = 20718914832. Its totient is φ = 20402330496.

The previous prime is 20560562537. The next prime is 20560562567. The reversal of 20560562563 is 36526506502.

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

It is a cyclic number.

It is not a de Polignac number, because 20560562563 - 2¹⁷ = 20560431491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20560562567) 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, 329856 + ... + 387202.

It is an arithmetic number, because the mean of its divisors is an integer number (2589864354).

Almost surely, 2^20560562563 is an apocalyptic number.

20560562563 is a deficient number, since it is larger than the sum of its proper divisors (158352269).

20560562563 is a wasteful number, since it uses less digits than its factorization.

20560562563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60101.

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 20560562563 in words is "twenty billion, five hundred sixty million, five hundred sixty-two thousand, five hundred sixty-three".