20201122043 has 2 divisors, whose sum is σ = 20201122044. Its totient is φ = 20201122042.

The previous prime is 20201122033. The next prime is 20201122121. The reversal of 20201122043 is 34022110202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20201122043 - 2¹² = 20201117947 is a prime.

It is not a weakly prime, because it can be changed into another prime (20201122033) 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, 10100561021 + 10100561022.

It is an arithmetic number, because the mean of its divisors is an integer number (10100561022).

Almost surely, 2^20201122043 is an apocalyptic number.

20201122043 is a deficient number, since it is larger than the sum of its proper divisors (1).

20201122043 is an equidigital number, since it uses as much as digits as its factorization.

20201122043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20201122043 its reverse (34022110202), we get a palindrome (54223232245).

The spelling of 20201122043 in words is "twenty billion, two hundred one million, one hundred twenty-two thousand, forty-three".