20020697713 has 2 divisors, whose sum is σ = 20020697714. Its totient is φ = 20020697712.

The previous prime is 20020697701. The next prime is 20020697731. The reversal of 20020697713 is 31779602002.

Together with next prime (20020697731) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13891686769 + 6129010944 = 117863^2 + 78288^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20020697713 is a prime.

It is not a weakly prime, because it can be changed into another prime (20020697773) 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, 10010348856 + 10010348857.

It is an arithmetic number, because the mean of its divisors is an integer number (10010348857).

Almost surely, 2^20020697713 is an apocalyptic number.

It is an amenable number.

20020697713 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020697713 is an equidigital number, since it uses as much as digits as its factorization.

20020697713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 37.

The spelling of 20020697713 in words is "twenty billion, twenty million, six hundred ninety-seven thousand, seven hundred thirteen".