20441102401 has 4 divisors (see below), whose sum is σ = 20441404804. Its totient is φ = 20440800000.

The previous prime is 20441102387. The next prime is 20441102411. The reversal of 20441102401 is 10420114402.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3528360000 + 16912742401 = 59400^2 + 130049^2 .

It is a cyclic number.

It is not a de Polignac number, because 20441102401 - 2¹³ = 20441094209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20441102411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1801 + ... + 202201.

It is an arithmetic number, because the mean of its divisors is an integer number (5110351201).

Almost surely, 2^20441102401 is an apocalyptic number.

It is an amenable number.

20441102401 is a deficient number, since it is larger than the sum of its proper divisors (302403).

20441102401 is a wasteful number, since it uses less digits than its factorization.

20441102401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302402.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20441102401 its reverse (10420114402), we get a palindrome (30861216803).

The spelling of 20441102401 in words is "twenty billion, four hundred forty-one million, one hundred two thousand, four hundred one".