2020043429 has 2 divisors, whose sum is σ = 2020043430. Its totient is φ = 2020043428.

The previous prime is 2020043419. The next prime is 2020043549. The reversal of 2020043429 is 9243400202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1789459204 + 230584225 = 42302^2 + 15185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020043429 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2020043398 and 2020043407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020043419) 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, 1010021714 + 1010021715.

It is an arithmetic number, because the mean of its divisors is an integer number (1010021715).

Almost surely, 2^2020043429 is an apocalyptic number.

It is an amenable number.

2020043429 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020043429 is an equidigital number, since it uses as much as digits as its factorization.

2020043429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 2020043429 is about 44944.8932471755. The cubic root of 2020043429 is about 1264.1159240223.

The spelling of 2020043429 in words is "two billion, twenty million, forty-three thousand, four hundred twenty-nine".