20202104017 has 2 divisors, whose sum is σ = 20202104018. Its totient is φ = 20202104016.

The previous prime is 20202103991. The next prime is 20202104051. The reversal of 20202104017 is 71040120202.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20080023616 + 122080401 = 141704^2 + 11049^2 .

It is a cyclic number.

It is not a de Polignac number, because 20202104017 - 2¹⁵ = 20202071249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20202103985 and 20202104003.

It is not a weakly prime, because it can be changed into another prime (20202104317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101052008 + 10101052009.

It is an arithmetic number, because the mean of its divisors is an integer number (10101052009).

Almost surely, 2^20202104017 is an apocalyptic number.

It is an amenable number.

20202104017 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202104017 is an equidigital number, since it uses as much as digits as its factorization.

20202104017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 19.

Adding to 20202104017 its reverse (71040120202), we get a palindrome (91242224219).

The spelling of 20202104017 in words is "twenty billion, two hundred two million, one hundred four thousand, seventeen".