20411141 has 2 divisors, whose sum is σ = 20411142. Its totient is φ = 20411140.

The previous prime is 20411129. The next prime is 20411147. The reversal of 20411141 is 14111402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20205025 + 206116 = 4495^2 + 454^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20411141 is a prime.

It is a super-2 number, since 2×20411141² = 833229353843762, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20411147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10205570 + 10205571.

It is an arithmetic number, because the mean of its divisors is an integer number (10205571).

Almost surely, 2^20411141 is an apocalyptic number.

It is an amenable number.

20411141 is a deficient number, since it is larger than the sum of its proper divisors (1).

20411141 is an equidigital number, since it uses as much as digits as its factorization.

20411141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 20411141 is about 4517.8690773417. The cubic root of 20411141 is about 273.2891737438.

Adding to 20411141 its reverse (14111402), we get a palindrome (34522543).

The spelling of 20411141 in words is "twenty million, four hundred eleven thousand, one hundred forty-one".