20201103443 has 2 divisors, whose sum is σ = 20201103444. Its totient is φ = 20201103442.

The previous prime is 20201103427. The next prime is 20201103463. The reversal of 20201103443 is 34430110202.

It is an a-pointer prime, because the next prime (20201103463) can be obtained adding 20201103443 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20201103443 - 2⁴ = 20201103427 is a prime.

It is not a weakly prime, because it can be changed into another prime (20201103463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100551721 + 10100551722.

It is an arithmetic number, because the mean of its divisors is an integer number (10100551722).

Almost surely, 2^20201103443 is an apocalyptic number.

20201103443 is a deficient number, since it is larger than the sum of its proper divisors (1).

20201103443 is an equidigital number, since it uses as much as digits as its factorization.

20201103443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20201103443 its reverse (34430110202), we get a palindrome (54631213645).

The spelling of 20201103443 in words is "twenty billion, two hundred one million, one hundred three thousand, four hundred forty-three".