20134244343 has 8 divisors (see below), whose sum is σ = 27711648256. Its totient is φ = 12989835000.

The previous prime is 20134244341. The next prime is 20134244401. The reversal of 20134244343 is 34344243102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20134244343 - 2¹ = 20134244341 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20134244343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20134244341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108248533 + ... + 108248718.

It is an arithmetic number, because the mean of its divisors is an integer number (3463956032).

Almost surely, 2^20134244343 is an apocalyptic number.

20134244343 is a deficient number, since it is larger than the sum of its proper divisors (7577403913).

20134244343 is a wasteful number, since it uses less digits than its factorization.

20134244343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216497285.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 20134244343 its reverse (34344243102), we get a palindrome (54478487445).

The spelling of 20134244343 in words is "twenty billion, one hundred thirty-four million, two hundred forty-four thousand, three hundred forty-three".