2020266197 has 2 divisors, whose sum is σ = 2020266198. Its totient is φ = 2020266196.

The previous prime is 2020266161. The next prime is 2020266217. The reversal of 2020266197 is 7916620202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2006233681 + 14032516 = 44791^2 + 3746^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020266197 - 2²⁰ = 2019217621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020266097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010133098 + 1010133099.

It is an arithmetic number, because the mean of its divisors is an integer number (1010133099).

Almost surely, 2^2020266197 is an apocalyptic number.

It is an amenable number.

2020266197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020266197 is an equidigital number, since it uses as much as digits as its factorization.

2020266197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 2020266197 is about 44947.3714136878. The cubic root of 2020266197 is about 1264.1623907172.

Adding to 2020266197 its reverse (7916620202), we get a palindrome (9936886399).

The spelling of 2020266197 in words is "two billion, twenty million, two hundred sixty-six thousand, one hundred ninety-seven".