20826725063 has 2 divisors, whose sum is σ = 20826725064. Its totient is φ = 20826725062.

The previous prime is 20826725039. The next prime is 20826725069. The reversal of 20826725063 is 36052762802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20826725063 - 2²² = 20822530759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20826725063.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20826725069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10413362531 + 10413362532.

It is an arithmetic number, because the mean of its divisors is an integer number (10413362532).

Almost surely, 2^20826725063 is an apocalyptic number.

20826725063 is a deficient number, since it is larger than the sum of its proper divisors (1).

20826725063 is an equidigital number, since it uses as much as digits as its factorization.

20826725063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 20826725063 in words is "twenty billion, eight hundred twenty-six million, seven hundred twenty-five thousand, sixty-three".