20331434312044 has 12 divisors (see below), whose sum is σ = 35580042973384. Its totient is φ = 10165707748224.

The previous prime is 20331434312041. The next prime is 20331434312089. The reversal of 20331434312044 is 44021343413302.

It is not an unprimeable number, because it can be changed into a prime (20331434312041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5217127 + ... + 8239009.

Almost surely, 2^{20331434312044} is an apocalyptic number.

It is an amenable number.

20331434312044 is a deficient number, since it is larger than the sum of its proper divisors (15248608661340).

20331434312044 is a wasteful number, since it uses less digits than its factorization.

20331434312044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4703904 (or 4703902 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 20331434312044 its reverse (44021343413302), we get a palindrome (64352777725346).

The spelling of 20331434312044 in words is "twenty trillion, three hundred thirty-one billion, four hundred thirty-four million, three hundred twelve thousand, forty-four".