20288907763 has 2 divisors, whose sum is σ = 20288907764. Its totient is φ = 20288907762.

The previous prime is 20288907719. The next prime is 20288907791. The reversal of 20288907763 is 36770988202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20288907763 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20288907763.

It is not a weakly prime, because it can be changed into another prime (20288904763) 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 as a sum of consecutive naturals, namely, 10144453881 + 10144453882.

It is an arithmetic number, because the mean of its divisors is an integer number (10144453882).

Almost surely, 2^20288907763 is an apocalyptic number.

20288907763 is a deficient number, since it is larger than the sum of its proper divisors (1).

20288907763 is an equidigital number, since it uses as much as digits as its factorization.

20288907763 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 20288907763 in words is "twenty billion, two hundred eighty-eight million, nine hundred seven thousand, seven hundred sixty-three".