2020201289 has 2 divisors, whose sum is σ = 2020201290. Its totient is φ = 2020201288.

The previous prime is 2020201259. The next prime is 2020201321. The reversal of 2020201289 is 9821020202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1170187264 + 850014025 = 34208^2 + 29155^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020201289 - 2⁸ = 2020201033 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2020201229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010100644 + 1010100645.

It is an arithmetic number, because the mean of its divisors is an integer number (1010100645).

Almost surely, 2^2020201289 is an apocalyptic number.

It is an amenable number.

2020201289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020201289 is an equidigital number, since it uses as much as digits as its factorization.

2020201289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 2020201289 is about 44946.6493634398. The cubic root of 2020201289 is about 1264.1488520506.

The spelling of 2020201289 in words is "two billion, twenty million, two hundred one thousand, two hundred eighty-nine".