20041311 has 12 divisors (see below), whose sum is σ = 27365208. Its totient is φ = 13046544.

The previous prime is 20041279. The next prime is 20041327. The reversal of 20041311 is 11314002.

It is a happy number.

It is not a de Polignac number, because 20041311 - 2⁵ = 20041279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20041391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3741 + ... + 7353.

It is an arithmetic number, because the mean of its divisors is an integer number (2280434).

Almost surely, 2^20041311 is an apocalyptic number.

20041311 is a deficient number, since it is larger than the sum of its proper divisors (7323897).

20041311 is an equidigital number, since it uses as much as digits as its factorization.

20041311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3702 (or 3659 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 20041311 is about 4476.7522826263. The cubic root of 20041311 is about 271.6285253055.

Adding to 20041311 its reverse (11314002), we get a palindrome (31355313).

The spelling of 20041311 in words is "twenty million, forty-one thousand, three hundred eleven".