2020405043 has 2 divisors, whose sum is σ = 2020405044. Its totient is φ = 2020405042.

The previous prime is 2020405021. The next prime is 2020405061. The reversal of 2020405043 is 3405040202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2020405043 - 2²⁰ = 2019356467 is a prime.

It is not a weakly prime, because it can be changed into another prime (2020405003) 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, 1010202521 + 1010202522.

It is an arithmetic number, because the mean of its divisors is an integer number (1010202522).

Almost surely, 2^2020405043 is an apocalyptic number.

2020405043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020405043 is an equidigital number, since it uses as much as digits as its factorization.

2020405043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 2020405043 is about 44948.9159268608. The cubic root of 2020405043 is about 1264.1913505758.

Adding to 2020405043 its reverse (3405040202), we get a palindrome (5425445245).

The spelling of 2020405043 in words is "two billion, twenty million, four hundred five thousand, forty-three".