20321234343044 has 24 divisors (see below), whose sum is σ = 36714521077248. Its totient is φ = 9834246689760.

The previous prime is 20321234343019. The next prime is 20321234343049. The reversal of 20321234343044 is 44034343212302.

It is a super-3 number, since 3×20321234343044³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20321234342995 and 20321234343013.

It is not an unprimeable number, because it can be changed into a prime (20321234343049) 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 7 ways as a sum of consecutive naturals, for example, 359410574 + ... + 359467109.

It is an arithmetic number, because the mean of its divisors is an integer number (1529771711552).

Almost surely, 2^{20321234343044} is an apocalyptic number.

It is an amenable number.

20321234343044 is a deficient number, since it is larger than the sum of its proper divisors (16393286734204).

20321234343044 is a wasteful number, since it uses less digits than its factorization.

20321234343044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718877915 (or 718877913 counting only the distinct ones).

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

Adding to 20321234343044 its reverse (44034343212302), we get a palindrome (64355577555346).

The spelling of 20321234343044 in words is "twenty trillion, three hundred twenty-one billion, two hundred thirty-four million, three hundred forty-three thousand, forty-four".