20004231231032 has 16 divisors (see below), whose sum is σ = 38521661492760. Its totient is φ = 9731788166304.

The previous prime is 20004231231031. The next prime is 20004231231041. The reversal of 20004231231032 is 23013213240002.

It is a junction number, because it is equal to n+sod(n) for n = 20004231230989 and 20004231231007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20004231231031) 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, 33790930838 + ... + 33790931429.

Almost surely, 2^{20004231231032} is an apocalyptic number.

It is an amenable number.

20004231231032 is a deficient number, since it is larger than the sum of its proper divisors (18517430261728).

20004231231032 is a wasteful number, since it uses less digits than its factorization.

20004231231032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67581862310 (or 67581862306 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20004231231032 its reverse (23013213240002), we get a palindrome (43017444471034).

The spelling of 20004231231032 in words is "twenty trillion, four billion, two hundred thirty-one million, two hundred thirty-one thousand, thirty-two".