20411240141 has 2 divisors, whose sum is σ = 20411240142. Its totient is φ = 20411240140.

The previous prime is 20411240123. The next prime is 20411240233. The reversal of 20411240141 is 14104211402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15638502916 + 4772737225 = 125054^2 + 69085^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20411240141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20411240341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10205620070 + 10205620071.

It is an arithmetic number, because the mean of its divisors is an integer number (10205620071).

Almost surely, 2^20411240141 is an apocalyptic number.

It is an amenable number.

20411240141 is a deficient number, since it is larger than the sum of its proper divisors (1).

20411240141 is an equidigital number, since it uses as much as digits as its factorization.

20411240141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 20411240141 its reverse (14104211402), we get a palindrome (34515451543).

The spelling of 20411240141 in words is "twenty billion, four hundred eleven million, two hundred forty thousand, one hundred forty-one".