2000203043 has 2 divisors, whose sum is σ = 2000203044. Its totient is φ = 2000203042.

The previous prime is 2000203013. The next prime is 2000203057. The reversal of 2000203043 is 3403020002.

It is an a-pointer prime, because the next prime (2000203057) can be obtained adding 2000203043 to its sum of digits (14).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2000203043 - 2¹⁰ = 2000202019 is a prime.

It is not a weakly prime, because it can be changed into another prime (2000203003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000101521 + 1000101522.

It is an arithmetic number, because the mean of its divisors is an integer number (1000101522).

Almost surely, 2^2000203043 is an apocalyptic number.

2000203043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000203043 is an equidigital number, since it uses as much as digits as its factorization.

2000203043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 2000203043 is about 44723.6295821348. The cubic root of 2000203043 is about 1259.9636848104.

Adding to 2000203043 its reverse (3403020002), we get a palindrome (5403223045).

The spelling of 2000203043 in words is "two billion, two hundred three thousand, forty-three".