2020440239 has 2 divisors, whose sum is σ = 2020440240. Its totient is φ = 2020440238.

The previous prime is 2020440209. The next prime is 2020440251. The reversal of 2020440239 is 9320440202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2020440239 - 2⁸ = 2020439983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020440209) 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, 1010220119 + 1010220120.

It is an arithmetic number, because the mean of its divisors is an integer number (1010220120).

Almost surely, 2^2020440239 is an apocalyptic number.

2020440239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020440239 is an equidigital number, since it uses as much as digits as its factorization.

2020440239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 2020440239 is about 44949.3074362665. The cubic root of 2020440239 is about 1264.1986913845.

The spelling of 2020440239 in words is "two billion, twenty million, four hundred forty thousand, two hundred thirty-nine".