20860007017 has 2 divisors, whose sum is σ = 20860007018. Its totient is φ = 20860007016.

The previous prime is 20860006949. The next prime is 20860007057. The reversal of 20860007017 is 71070006802.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19943370841 + 916636176 = 141221^2 + 30276^2 .

It is a cyclic number.

It is not a de Polignac number, because 20860007017 - 2⁷ = 20860006889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20860007017.

It is not a weakly prime, because it can be changed into another prime (20860007057) 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, 10430003508 + 10430003509.

It is an arithmetic number, because the mean of its divisors is an integer number (10430003509).

Almost surely, 2^20860007017 is an apocalyptic number.

It is an amenable number.

20860007017 is a deficient number, since it is larger than the sum of its proper divisors (1).

20860007017 is an equidigital number, since it uses as much as digits as its factorization.

20860007017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 31.

The spelling of 20860007017 in words is "twenty billion, eight hundred sixty million, seven thousand, seventeen".