20043234111 has 4 divisors (see below), whose sum is σ = 26724312152. Its totient is φ = 13362156072.

The previous prime is 20043234091. The next prime is 20043234119. The reversal of 20043234111 is 11143234002.

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

It is not a de Polignac number, because 20043234111 - 2²⁹ = 19506363199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20043234119) 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, 3340539016 + ... + 3340539021.

It is an arithmetic number, because the mean of its divisors is an integer number (6681078038).

Almost surely, 2^20043234111 is an apocalyptic number.

20043234111 is a deficient number, since it is larger than the sum of its proper divisors (6681078041).

20043234111 is an equidigital number, since it uses as much as digits as its factorization.

20043234111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6681078040.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20043234111 its reverse (11143234002), we get a palindrome (31186468113).

The spelling of 20043234111 in words is "twenty billion, forty-three million, two hundred thirty-four thousand, one hundred eleven".