2020430543 has 4 divisors (see below), whose sum is σ = 2058551928. Its totient is φ = 1982309160.

The previous prime is 2020430509. The next prime is 2020430567. The reversal of 2020430543 is 3450340202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3450340202 = 2 ⋅1725170101.

It is a cyclic number.

It is not a de Polignac number, because 2020430543 - 2⁸ = 2020430287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020430443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19060613 + ... + 19060718.

It is an arithmetic number, because the mean of its divisors is an integer number (514637982).

Almost surely, 2^2020430543 is an apocalyptic number.

2020430543 is a deficient number, since it is larger than the sum of its proper divisors (38121385).

2020430543 is an equidigital number, since it uses as much as digits as its factorization.

2020430543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38121384.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 2020430543 is about 44949.1995813051. The cubic root of 2020430543 is about 1264.1966691041.

Adding to 2020430543 its reverse (3450340202), we get a palindrome (5470770745).

The spelling of 2020430543 in words is "two billion, twenty million, four hundred thirty thousand, five hundred forty-three".