20243342313044 has 12 divisors (see below), whose sum is σ = 36383304427764. Its totient is φ = 9848112476544.

The previous prime is 20243342313023. The next prime is 20243342313049. The reversal of 20243342313044 is 44031324334202.

It can be written as a sum of positive squares in 2 ways, for example, as 7929292810000 + 12314049503044 = 2815900^2 + 3509138^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20243342312995 and 20243342313013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20243342313049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68389669829 + ... + 68389670124.

It is an arithmetic number, because the mean of its divisors is an integer number (3031942035647).

Almost surely, 2^{20243342313044} is an apocalyptic number.

It is an amenable number.

20243342313044 is a deficient number, since it is larger than the sum of its proper divisors (16139962114720).

20243342313044 is a wasteful number, since it uses less digits than its factorization.

20243342313044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136779339994 (or 136779339992 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 20243342313044 its reverse (44031324334202), we get a palindrome (64274666647246).

The spelling of 20243342313044 in words is "twenty trillion, two hundred forty-three billion, three hundred forty-two million, three hundred thirteen thousand, forty-four".