20031041 has 2 divisors, whose sum is σ = 20031042. Its totient is φ = 20031040.

The previous prime is 20031029. The next prime is 20031047. The reversal of 20031041 is 14013002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19228225 + 802816 = 4385^2 + 896^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20031041 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20031047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10015520 + 10015521.

It is an arithmetic number, because the mean of its divisors is an integer number (10015521).

Almost surely, 2^20031041 is an apocalyptic number.

It is an amenable number.

20031041 is a deficient number, since it is larger than the sum of its proper divisors (1).

20031041 is an equidigital number, since it uses as much as digits as its factorization.

20031041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 20031041 is about 4475.6050987548. The cubic root of 20031041 is about 271.5821194658.

Adding to 20031041 its reverse (14013002), we get a palindrome (34044043).

The spelling of 20031041 in words is "twenty million, thirty-one thousand, forty-one".