20020086613 has 2 divisors, whose sum is σ = 20020086614. Its totient is φ = 20020086612.

The previous prime is 20020086607. The next prime is 20020086643. The reversal of 20020086613 is 31668002002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12517581924 + 7502504689 = 111882^2 + 86617^2 .

It is a cyclic number.

It is not a de Polignac number, because 20020086613 - 2⁹ = 20020086101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20020086643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010043306 + 10010043307.

It is an arithmetic number, because the mean of its divisors is an integer number (10010043307).

Almost surely, 2^20020086613 is an apocalyptic number.

It is an amenable number.

20020086613 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020086613 is an equidigital number, since it uses as much as digits as its factorization.

20020086613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 20020086613 its reverse (31668002002), we get a palindrome (51688088615).

The spelling of 20020086613 in words is "twenty billion, twenty million, eighty-six thousand, six hundred thirteen".