2040420143 has 2 divisors, whose sum is σ = 2040420144. Its totient is φ = 2040420142.

The previous prime is 2040420119. The next prime is 2040420157. The reversal of 2040420143 is 3410240402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2040420143 - 2¹⁰ = 2040419119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2040420103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020210071 + 1020210072.

It is an arithmetic number, because the mean of its divisors is an integer number (1020210072).

Almost surely, 2^2040420143 is an apocalyptic number.

2040420143 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040420143 is an equidigital number, since it uses as much as digits as its factorization.

2040420143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2040420143 is about 45171.0099842808. The cubic root of 2040420143 is about 1268.3522025385.

Adding to 2040420143 its reverse (3410240402), we get a palindrome (5450660545).

The spelling of 2040420143 in words is "two billion, forty million, four hundred twenty thousand, one hundred forty-three".