20450872050303 has 8 divisors (see below), whose sum is σ = 27267850720000. Its totient is φ = 13633904040408.

The previous prime is 20450872050247. The next prime is 20450872050319. The reversal of 20450872050303 is 30305027805402.

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

It is not a de Polignac number, because 20450872050303 - 2⁹ = 20450872049791 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 (20450872051303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4793898 + ... + 7992696.

It is an arithmetic number, because the mean of its divisors is an integer number (3408481340000).

Almost surely, 2^{20450872050303} is an apocalyptic number.

20450872050303 is a deficient number, since it is larger than the sum of its proper divisors (6816978669697).

20450872050303 is a wasteful number, since it uses less digits than its factorization.

20450872050303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5329901.

The product of its (nonzero) digits is 201600, while the sum is 39.

Adding to 20450872050303 its reverse (30305027805402), we get a palindrome (50755899855705).

The spelling of 20450872050303 in words is "twenty trillion, four hundred fifty billion, eight hundred seventy-two million, fifty thousand, three hundred three".