20444565616363 has 24 divisors (see below), whose sum is σ = 24221967072864. Its totient is φ = 17201241388800.

The previous prime is 20444565616327. The next prime is 20444565616393. The reversal of 20444565616363 is 36361656544402.

It is not a de Polignac number, because 20444565616363 - 2¹⁷ = 20444565485291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20444565616393) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5566878 + ... + 8478163.

It is an arithmetic number, because the mean of its divisors is an integer number (1009248628036).

Almost surely, 2^{20444565616363} is an apocalyptic number.

20444565616363 is a deficient number, since it is larger than the sum of its proper divisors (3777401456501).

20444565616363 is a wasteful number, since it uses less digits than its factorization.

20444565616363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14045603 (or 14045596 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 55.

The spelling of 20444565616363 in words is "twenty trillion, four hundred forty-four billion, five hundred sixty-five million, six hundred sixteen thousand, three hundred sixty-three".