20444984845368 has 32 divisors (see below), whose sum is σ = 51113634063360. Its totient is φ = 6814838688480.

The previous prime is 20444984845333. The next prime is 20444984845387. The reversal of 20444984845368 is 86354848944402.

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 7 ways as a sum of consecutive naturals, for example, 8695330 + ... + 10793457.

It is an arithmetic number, because the mean of its divisors is an integer number (1597301064480).

Almost surely, 2^{20444984845368} is an apocalyptic number.

It is an amenable number.

20444984845368 is an abundant number, since it is smaller than the sum of its proper divisors (30668649217992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20444984845368 is a wasteful number, since it uses less digits than its factorization.

20444984845368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19532507 (or 19532503 counting only the distinct ones).

The product of its (nonzero) digits is 849346560, while the sum is 69.

The spelling of 20444984845368 in words is "twenty trillion, four hundred forty-four billion, nine hundred eighty-four million, eight hundred forty-five thousand, three hundred sixty-eight".