20243034211 has 4 divisors (see below), whose sum is σ = 20249085672. Its totient is φ = 20236982752.

The previous prime is 20243034197. The next prime is 20243034233. The reversal of 20243034211 is 11243034202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20243034211 - 2¹¹ = 20243032163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20243034271) 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, 3020710 + ... + 3027403.

It is an arithmetic number, because the mean of its divisors is an integer number (5062271418).

Almost surely, 2^20243034211 is an apocalyptic number.

20243034211 is a deficient number, since it is larger than the sum of its proper divisors (6051461).

20243034211 is an equidigital number, since it uses as much as digits as its factorization.

20243034211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6051460.

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

Adding to 20243034211 its reverse (11243034202), we get a palindrome (31486068413).

Subtracting from 20243034211 its reverse (11243034202), we obtain a palindrome (9000000009).

The spelling of 20243034211 in words is "twenty billion, two hundred forty-three million, thirty-four thousand, two hundred eleven".