2020201999943 has 2 divisors, whose sum is σ = 2020201999944. Its totient is φ = 2020201999942.

The previous prime is 2020201999909. The next prime is 2020202000021. The reversal of 2020201999943 is 3499991020202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2020201999943 - 2¹⁴ = 2020201983559 is a prime.

It is a super-2 number, since 2×2020201999943² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2020201999891 and 2020201999900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020201995943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010100999971 + 1010100999972.

It is an arithmetic number, because the mean of its divisors is an integer number (1010100999972).

Almost surely, 2^{2020201999943} is an apocalyptic number.

2020201999943 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020201999943 is an equidigital number, since it uses as much as digits as its factorization.

2020201999943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 629856, while the sum is 50.

The spelling of 2020201999943 in words is "two trillion, twenty billion, two hundred one million, nine hundred ninety-nine thousand, nine hundred forty-three".