20344043032 has 16 divisors (see below), whose sum is σ = 38155420800. Its totient is φ = 10169264160.

The previous prime is 20344043029. The next prime is 20344043047. The reversal of 20344043032 is 23034044302.

It is a junction number, because it is equal to n+sod(n) for n = 20344042988 and 20344043006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313144 + ... + 372487.

It is an arithmetic number, because the mean of its divisors is an integer number (2384713800).

Almost surely, 2^20344043032 is an apocalyptic number.

It is an amenable number.

20344043032 is a deficient number, since it is larger than the sum of its proper divisors (17811377768).

20344043032 is a wasteful number, since it uses less digits than its factorization.

20344043032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689346 (or 689342 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 20344043032 its reverse (23034044302), we get a palindrome (43378087334).

The spelling of 20344043032 in words is "twenty billion, three hundred forty-four million, forty-three thousand, thirty-two".