20443034011 has 2 divisors, whose sum is σ = 20443034012. Its totient is φ = 20443034010.

The previous prime is 20443034009. The next prime is 20443034107. The reversal of 20443034011 is 11043034402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20443034011 - 2¹ = 20443034009 is a prime.

Together with 20443034009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20443034411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10221517005 + 10221517006.

It is an arithmetic number, because the mean of its divisors is an integer number (10221517006).

Almost surely, 2^20443034011 is an apocalyptic number.

20443034011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20443034011 is an equidigital number, since it uses as much as digits as its factorization.

20443034011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20443034011 its reverse (11043034402), we get a palindrome (31486068413).

The spelling of 20443034011 in words is "twenty billion, four hundred forty-three million, thirty-four thousand, eleven".