2020042043 has 2 divisors, whose sum is σ = 2020042044. Its totient is φ = 2020042042.

The previous prime is 2020042039. The next prime is 2020042069. The reversal of 2020042043 is 3402400202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2020042043 - 2² = 2020042039 is a prime.

It is a super-2 number, since 2×2020042043² = 8161139710975227698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2020042033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010021021 + 1010021022.

It is an arithmetic number, because the mean of its divisors is an integer number (1010021022).

Almost surely, 2^2020042043 is an apocalyptic number.

2020042043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020042043 is an equidigital number, since it uses as much as digits as its factorization.

2020042043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 2020042043 is about 44944.8778282910. The cubic root of 2020042043 is about 1264.1156349088.

Adding to 2020042043 its reverse (3402400202), we get a palindrome (5422442245).

The spelling of 2020042043 in words is "two billion, twenty million, forty-two thousand, forty-three".