20441042554251 has 16 divisors (see below), whose sum is σ = 30423877292160. Its totient is φ = 12100405739520.

The previous prime is 20441042554199. The next prime is 20441042554319. The reversal of 20441042554251 is 15245524014402.

It is not a de Polignac number, because 20441042554251 - 2¹⁵ = 20441042521483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20441042550251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7202621046 + ... + 7202623883.

It is an arithmetic number, because the mean of its divisors is an integer number (1901492330760).

Almost surely, 2^{20441042554251} is an apocalyptic number.

20441042554251 is a deficient number, since it is larger than the sum of its proper divisors (9982834737909).

20441042554251 is a wasteful number, since it uses less digits than its factorization.

20441042554251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14405244986.

The product of its (nonzero) digits is 256000, while the sum is 39.

Adding to 20441042554251 its reverse (15245524014402), we get a palindrome (35686566568653).

The spelling of 20441042554251 in words is "twenty trillion, four hundred forty-one billion, forty-two million, five hundred fifty-four thousand, two hundred fifty-one".