20767045063 has 2 divisors, whose sum is σ = 20767045064. Its totient is φ = 20767045062.

The previous prime is 20767044941. The next prime is 20767045097. The reversal of 20767045063 is 36054076702.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20767045063 - 2²¹ = 20764947911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20767046063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10383522531 + 10383522532.

It is an arithmetic number, because the mean of its divisors is an integer number (10383522532).

Almost surely, 2^20767045063 is an apocalyptic number.

20767045063 is a deficient number, since it is larger than the sum of its proper divisors (1).

20767045063 is an equidigital number, since it uses as much as digits as its factorization.

20767045063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 40.

The spelling of 20767045063 in words is "twenty billion, seven hundred sixty-seven million, forty-five thousand, sixty-three".