20143340313244 has 48 divisors (see below), whose sum is σ = 36489983745600. Its totient is φ = 9718082390016.

The previous prime is 20143340313223. The next prime is 20143340313247. The reversal of 20143340313244 is 44231304334102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20143340313247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1467204172 + ... + 1467217900.

It is an arithmetic number, because the mean of its divisors is an integer number (760207994700).

Almost surely, 2^{20143340313244} is an apocalyptic number.

It is an amenable number.

20143340313244 is a deficient number, since it is larger than the sum of its proper divisors (16346643432356).

20143340313244 is a wasteful number, since it uses less digits than its factorization.

20143340313244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21022 (or 21020 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 20143340313244 its reverse (44231304334102), we get a palindrome (64374644647346).

The spelling of 20143340313244 in words is "twenty trillion, one hundred forty-three billion, three hundred forty million, three hundred thirteen thousand, two hundred forty-four".