1020330709943 has 2 divisors, whose sum is σ = 1020330709944. Its totient is φ = 1020330709942.

The previous prime is 1020330709921. The next prime is 1020330709987. The reversal of 1020330709943 is 3499070330201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020330709943 - 2³⁴ = 1003150840759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1020330709943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020330709913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510165354971 + 510165354972.

It is an arithmetic number, because the mean of its divisors is an integer number (510165354972).

Almost surely, 2^{1020330709943} is an apocalyptic number.

1020330709943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020330709943 is an equidigital number, since it uses as much as digits as its factorization.

1020330709943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 41.

The spelling of 1020330709943 in words is "one trillion, twenty billion, three hundred thirty million, seven hundred nine thousand, nine hundred forty-three".