20411413441 has 2 divisors, whose sum is σ = 20411413442. Its totient is φ = 20411413440.

The previous prime is 20411413343. The next prime is 20411413469. The reversal of 20411413441 is 14431411402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17297773441 + 3113640000 = 131521^2 + 55800^2 .

It is a cyclic number.

It is not a de Polignac number, because 20411413441 - 2²⁵ = 20377859009 is a prime.

It is not a weakly prime, because it can be changed into another prime (20411413481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10205706720 + 10205706721.

It is an arithmetic number, because the mean of its divisors is an integer number (10205706721).

Almost surely, 2^20411413441 is an apocalyptic number.

It is an amenable number.

20411413441 is a deficient number, since it is larger than the sum of its proper divisors (1).

20411413441 is an equidigital number, since it uses as much as digits as its factorization.

20411413441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 20411413441 its reverse (14431411402), we get a palindrome (34842824843).

The spelling of 20411413441 in words is "twenty billion, four hundred eleven million, four hundred thirteen thousand, four hundred forty-one".