20124231204143 has 32 divisors (see below), whose sum is σ = 22364059392000. Its totient is φ = 17953873960320.

The previous prime is 20124231204137. The next prime is 20124231204157. The reversal of 20124231204143 is 34140213242102.

It is not a de Polignac number, because 20124231204143 - 2⁶ = 20124231204079 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 (20124231201143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2929714313 + ... + 2929721181.

It is an arithmetic number, because the mean of its divisors is an integer number (698876856000).

Almost surely, 2^{20124231204143} is an apocalyptic number.

20124231204143 is a deficient number, since it is larger than the sum of its proper divisors (2239828187857).

20124231204143 is a wasteful number, since it uses less digits than its factorization.

20124231204143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14015.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 20124231204143 its reverse (34140213242102), we get a palindrome (54264444446245).

The spelling of 20124231204143 in words is "twenty trillion, one hundred twenty-four billion, two hundred thirty-one million, two hundred four thousand, one hundred forty-three".