20444155713424 has 20 divisors (see below), whose sum is σ = 39686288903536. Its totient is φ = 10202532770592.

The previous prime is 20444155713403. The next prime is 20444155713431. The reversal of 20444155713424 is 42431755144402.

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, 1221559254 + ... + 1221575989.

Almost surely, 2^{20444155713424} is an apocalyptic number.

It is an amenable number.

20444155713424 is a deficient number, since it is larger than the sum of its proper divisors (19242133190112).

20444155713424 is a wasteful number, since it uses less digits than its factorization.

20444155713424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2443135774 (or 2443135768 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 46.

The spelling of 20444155713424 in words is "twenty trillion, four hundred forty-four billion, one hundred fifty-five million, seven hundred thirteen thousand, four hundred twenty-four".