20560763 has 4 divisors (see below), whose sum is σ = 20570160. Its totient is φ = 20551368.

The previous prime is 20560703. The next prime is 20560807. The reversal of 20560763 is 36706502.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20560763 - 2¹² = 20556667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20560703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506 + ... + 6432.

It is an arithmetic number, because the mean of its divisors is an integer number (5142540).

Almost surely, 2^20560763 is an apocalyptic number.

20560763 is a deficient number, since it is larger than the sum of its proper divisors (9397).

20560763 is an equidigital number, since it uses as much as digits as its factorization.

20560763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9396.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 20560763 is about 4534.3977549395. The cubic root of 20560763 is about 273.9553224257.

The spelling of 20560763 in words is "twenty million, five hundred sixty thousand, seven hundred sixty-three".