20201141 has 2 divisors, whose sum is σ = 20201142. Its totient is φ = 20201140.

The previous prime is 20201113. The next prime is 20201143. The reversal of 20201141 is 14110202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10923025 + 9278116 = 3305^2 + 3046^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20201141 is a prime.

Together with 20201143, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20201143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100570 + 10100571.

It is an arithmetic number, because the mean of its divisors is an integer number (10100571).

Almost surely, 2^20201141 is an apocalyptic number.

It is an amenable number.

20201141 is a deficient number, since it is larger than the sum of its proper divisors (1).

20201141 is an equidigital number, since it uses as much as digits as its factorization.

20201141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 20201141 is about 4494.5679436404. The cubic root of 20201141 is about 272.3486958493.

Adding to 20201141 its reverse (14110202), we get a palindrome (34311343).

The spelling of 20201141 in words is "twenty million, two hundred one thousand, one hundred forty-one".