2020400143 has 2 divisors, whose sum is σ = 2020400144. Its totient is φ = 2020400142.

The previous prime is 2020400141. The next prime is 2020400147. The reversal of 2020400143 is 3410040202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2020400143 - 2¹ = 2020400141 is a prime.

Together with 2020400141, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020400141) 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, 1010200071 + 1010200072.

It is an arithmetic number, because the mean of its divisors is an integer number (1010200072).

Almost surely, 2^2020400143 is an apocalyptic number.

2020400143 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020400143 is an equidigital number, since it uses as much as digits as its factorization.

2020400143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2020400143 is about 44948.8614205076. The cubic root of 2020400143 is about 1264.1903285790.

Adding to 2020400143 its reverse (3410040202), we get a palindrome (5430440345).

The spelling of 2020400143 in words is "two billion, twenty million, four hundred thousand, one hundred forty-three".