20318041 has 2 divisors, whose sum is σ = 20318042. Its totient is φ = 20318040.

The previous prime is 20318029. The next prime is 20318057. The reversal of 20318041 is 14081302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17884441 + 2433600 = 4229^2 + 1560^2 .

It is a cyclic number.

It is not a de Polignac number, because 20318041 - 2⁹ = 20317529 is a prime.

It is not a weakly prime, because it can be changed into another prime (20315041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10159020 + 10159021.

It is an arithmetic number, because the mean of its divisors is an integer number (10159021).

Almost surely, 2^20318041 is an apocalyptic number.

It is an amenable number.

20318041 is a deficient number, since it is larger than the sum of its proper divisors (1).

20318041 is an equidigital number, since it uses as much as digits as its factorization.

20318041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 20318041 is about 4507.5537711712. The cubic root of 20318041 is about 272.8730283885.

Adding to 20318041 its reverse (14081302), we get a palindrome (34399343).

The spelling of 20318041 in words is "twenty million, three hundred eighteen thousand, forty-one".