1020332443 has 4 divisors (see below), whose sum is σ = 1098819568. Its totient is φ = 941845320.

The previous prime is 1020332429. The next prime is 1020332497. The reversal of 1020332443 is 3442330201.

It is a happy number.

1020332443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3442330201 = 2939 ⋅1171259.

It is not a de Polignac number, because 1020332443 - 2²¹ = 1018235291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020332413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39243543 + ... + 39243568.

It is an arithmetic number, because the mean of its divisors is an integer number (274704892).

Almost surely, 2^1020332443 is an apocalyptic number.

1020332443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1020332443 is a deficient number, since it is larger than the sum of its proper divisors (78487125).

1020332443 is an equidigital number, since it uses as much as digits as its factorization.

1020332443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78487124.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1020332443 is about 31942.6430183853. The cubic root of 1020332443 is about 1006.7320586855.

Adding to 1020332443 its reverse (3442330201), we get a palindrome (4462662644).

The spelling of 1020332443 in words is "one billion, twenty million, three hundred thirty-two thousand, four hundred forty-three".