20331033432044 has 6 divisors (see below), whose sum is σ = 35579308506084. Its totient is φ = 10165516716020.

The previous prime is 20331033432043. The next prime is 20331033432067. The reversal of 20331033432044 is 44023433013302.

It is a self number, because there is not a number n which added to its sum of digits gives 20331033432044.

It is not an unprimeable number, because it can be changed into a prime (20331033432043) 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 as a sum of consecutive naturals, namely, 2541379179002 + ... + 2541379179009.

It is an arithmetic number, because the mean of its divisors is an integer number (5929884751014).

Almost surely, 2^{20331033432044} is an apocalyptic number.

It is an amenable number.

20331033432044 is a deficient number, since it is larger than the sum of its proper divisors (15248275074040).

20331033432044 is a wasteful number, since it uses less digits than its factorization.

20331033432044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5082758358015 (or 5082758358013 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 20331033432044 its reverse (44023433013302), we get a palindrome (64354466445346).

The spelling of 20331033432044 in words is "twenty trillion, three hundred thirty-one billion, thirty-three million, four hundred thirty-two thousand, forty-four".