20682808037 has 2 divisors, whose sum is σ = 20682808038. Its totient is φ = 20682808036.

The previous prime is 20682808021. The next prime is 20682808043. The reversal of 20682808037 is 73080828602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20681028481 + 1779556 = 143809^2 + 1334^2 .

It is a cyclic number.

It is not a de Polignac number, because 20682808037 - 2⁴ = 20682808021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20682808637) 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, 10341404018 + 10341404019.

It is an arithmetic number, because the mean of its divisors is an integer number (10341404019).

Almost surely, 2^20682808037 is an apocalyptic number.

It is an amenable number.

20682808037 is a deficient number, since it is larger than the sum of its proper divisors (1).

20682808037 is an equidigital number, since it uses as much as digits as its factorization.

20682808037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 20682808037 in words is "twenty billion, six hundred eighty-two million, eight hundred eight thousand, thirty-seven".