2020136617 has 2 divisors, whose sum is σ = 2020136618. Its totient is φ = 2020136616.

The previous prime is 2020136581. The next prime is 2020136663. The reversal of 2020136617 is 7166310202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2001309696 + 18826921 = 44736^2 + 4339^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020136617 is a prime.

It is not a weakly prime, because it can be changed into another prime (2020136687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010068308 + 1010068309.

It is an arithmetic number, because the mean of its divisors is an integer number (1010068309).

Almost surely, 2^2020136617 is an apocalyptic number.

It is an amenable number.

2020136617 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020136617 is an equidigital number, since it uses as much as digits as its factorization.

2020136617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 2020136617 is about 44945.9299269689. The cubic root of 2020136617 is about 1264.1353623211.

Adding to 2020136617 its reverse (7166310202), we get a palindrome (9186446819).

The spelling of 2020136617 in words is "two billion, twenty million, one hundred thirty-six thousand, six hundred seventeen".