2020990259 has 2 divisors, whose sum is σ = 2020990260. Its totient is φ = 2020990258.

The previous prime is 2020990241. The next prime is 2020990267. The reversal of 2020990259 is 9520990202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020990259 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2020990759) 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, 1010495129 + 1010495130.

It is an arithmetic number, because the mean of its divisors is an integer number (1010495130).

Almost surely, 2^2020990259 is an apocalyptic number.

2020990259 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020990259 is an equidigital number, since it uses as much as digits as its factorization.

2020990259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 2020990259 is about 44955.4252454584. The cubic root of 2020990259 is about 1264.3133976522.

The spelling of 2020990259 in words is "two billion, twenty million, nine hundred ninety thousand, two hundred fifty-nine".