20726255023 has 2 divisors, whose sum is σ = 20726255024. Its totient is φ = 20726255022.

The previous prime is 20726254999. The next prime is 20726255027. The reversal of 20726255023 is 32055262702.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20726255023 - 2²⁵ = 20692700591 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20726255023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20726255027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10363127511 + 10363127512.

It is an arithmetic number, because the mean of its divisors is an integer number (10363127512).

Almost surely, 2^20726255023 is an apocalyptic number.

20726255023 is a deficient number, since it is larger than the sum of its proper divisors (1).

20726255023 is an equidigital number, since it uses as much as digits as its factorization.

20726255023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 34.

The spelling of 20726255023 in words is "twenty billion, seven hundred twenty-six million, two hundred fifty-five thousand, twenty-three".