20331434312444 has 12 divisors (see below), whose sum is σ = 35599128818568. Its totient is φ = 10160254650000.

The previous prime is 20331434312429. The next prime is 20331434312459. The reversal of 20331434312444 is 44421343413302.

It is an interprime number because it is at equal distance from previous prime (20331434312429) and next prime (20331434312459).

It is a junction number, because it is equal to n+sod(n) for n = 20331434312398 and 20331434312407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1365618182 + ... + 1365633069.

It is an arithmetic number, because the mean of its divisors is an integer number (2966594068214).

Almost surely, 2^{20331434312444} is an apocalyptic number.

It is an amenable number.

20331434312444 is a deficient number, since it is larger than the sum of its proper divisors (15267694506124).

20331434312444 is a wasteful number, since it uses less digits than its factorization.

20331434312444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2731253116 (or 2731253114 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 38.

Adding to 20331434312444 its reverse (44421343413302), we get a palindrome (64752777725746).

The spelling of 20331434312444 in words is "twenty trillion, three hundred thirty-one billion, four hundred thirty-four million, three hundred twelve thousand, four hundred forty-four".