20527319863 has 2 divisors, whose sum is σ = 20527319864. Its totient is φ = 20527319862.

The previous prime is 20527319773. The next prime is 20527319909. The reversal of 20527319863 is 36891372502.

It is an a-pointer prime, because the next prime (20527319909) can be obtained adding 20527319863 to its sum of digits (46).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20527319863 - 2¹³ = 20527311671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20527319363) 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, 10263659931 + 10263659932.

It is an arithmetic number, because the mean of its divisors is an integer number (10263659932).

Almost surely, 2^20527319863 is an apocalyptic number.

20527319863 is a deficient number, since it is larger than the sum of its proper divisors (1).

20527319863 is an equidigital number, since it uses as much as digits as its factorization.

20527319863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 20527319863 in words is "twenty billion, five hundred twenty-seven million, three hundred nineteen thousand, eight hundred sixty-three".