20441033401 has 2 divisors, whose sum is σ = 20441033402. Its totient is φ = 20441033400.

The previous prime is 20441033329. The next prime is 20441033407. The reversal of 20441033401 is 10433014402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18074113600 + 2366919801 = 134440^2 + 48651^2 .

It is a cyclic number.

It is not a de Polignac number, because 20441033401 - 2⁷ = 20441033273 is a prime.

It is not a weakly prime, because it can be changed into another prime (20441033407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10220516700 + 10220516701.

It is an arithmetic number, because the mean of its divisors is an integer number (10220516701).

Almost surely, 2^20441033401 is an apocalyptic number.

It is an amenable number.

20441033401 is a deficient number, since it is larger than the sum of its proper divisors (1).

20441033401 is an equidigital number, since it uses as much as digits as its factorization.

20441033401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20441033401 its reverse (10433014402), we get a palindrome (30874047803).

The spelling of 20441033401 in words is "twenty billion, four hundred forty-one million, thirty-three thousand, four hundred one".