20454041 has 2 divisors, whose sum is σ = 20454042. Its totient is φ = 20454040.

The previous prime is 20454029. The next prime is 20454059. The reversal of 20454041 is 14045402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13542400 + 6911641 = 3680^2 + 2629^2 .

It is a cyclic number.

It is not a de Polignac number, because 20454041 - 2¹⁴ = 20437657 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20454001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10227020 + 10227021.

It is an arithmetic number, because the mean of its divisors is an integer number (10227021).

Almost surely, 2^20454041 is an apocalyptic number.

It is an amenable number.

20454041 is a deficient number, since it is larger than the sum of its proper divisors (1).

20454041 is an equidigital number, since it uses as much as digits as its factorization.

20454041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 20454041 is about 4522.6143987742. The cubic root of 20454041 is about 273.4805055471.

Adding to 20454041 its reverse (14045402), we get a palindrome (34499443).

It can be divided in two parts, 204 and 54041, that added together give a palindrome (54245).

The spelling of 20454041 in words is "twenty million, four hundred fifty-four thousand, forty-one".