20441516657183 has 4 divisors (see below), whose sum is σ = 20460049311648. Its totient is φ = 20422984002720.

The previous prime is 20441516657129. The next prime is 20441516657209. The reversal of 20441516657183 is 38175661514402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20441516657183 - 2²⁰ = 20441515608607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20441516687183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9266325578 + ... + 9266327783.

It is an arithmetic number, because the mean of its divisors is an integer number (5115012327912).

Almost surely, 2^{20441516657183} is an apocalyptic number.

20441516657183 is a deficient number, since it is larger than the sum of its proper divisors (18532654465).

20441516657183 is a wasteful number, since it uses less digits than its factorization.

20441516657183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18532654464.

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 20441516657183 in words is "twenty trillion, four hundred forty-one billion, five hundred sixteen million, six hundred fifty-seven thousand, one hundred eighty-three".