20444532263057 has 8 divisors (see below), whose sum is σ = 23411083819200. Its totient is φ = 17489456729424.

The previous prime is 20444532263041. The next prime is 20444532263059. The reversal of 20444532263057 is 75036223544402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20444532263057 - 2⁴ = 20444532263041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20444532263059) by changing a digit.

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, 2869001807 + ... + 2869008932.

It is an arithmetic number, because the mean of its divisors is an integer number (2926385477400).

Almost surely, 2^{20444532263057} is an apocalyptic number.

It is an amenable number.

20444532263057 is a deficient number, since it is larger than the sum of its proper divisors (2966551556143).

20444532263057 is an equidigital number, since it uses as much as digits as its factorization.

20444532263057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5738011255.

The product of its (nonzero) digits is 4838400, while the sum is 47.

The spelling of 20444532263057 in words is "twenty trillion, four hundred forty-four billion, five hundred thirty-two million, two hundred sixty-three thousand, fifty-seven".