20416141 has 2 divisors, whose sum is σ = 20416142. Its totient is φ = 20416140.

The previous prime is 20416117. The next prime is 20416163. The reversal of 20416141 is 14161402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14516100 + 5900041 = 3810^2 + 2429^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20416141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20416741) 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, 10208070 + 10208071.

It is an arithmetic number, because the mean of its divisors is an integer number (10208071).

Almost surely, 2^20416141 is an apocalyptic number.

It is an amenable number.

20416141 is a deficient number, since it is larger than the sum of its proper divisors (1).

20416141 is an equidigital number, since it uses as much as digits as its factorization.

20416141 is an odious number, because the sum of its binary digits is odd.

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

The square root of 20416141 is about 4518.4224016796. The cubic root of 20416141 is about 273.3114872817.

Adding to 20416141 its reverse (14161402), we get a palindrome (34577543).

The spelling of 20416141 in words is "twenty million, four hundred sixteen thousand, one hundred forty-one".