201850020041 has 2 divisors, whose sum is σ = 201850020042. Its totient is φ = 201850020040.

The previous prime is 201850020007. The next prime is 201850020077. The reversal of 201850020041 is 140020058102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 184642090000 + 17207930041 = 429700^2 + 131179^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201850020041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201850019989 and 201850020016.

It is not a weakly prime, because it can be changed into another prime (201850028041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100925010020 + 100925010021.

It is an arithmetic number, because the mean of its divisors is an integer number (100925010021).

Almost surely, 2^201850020041 is an apocalyptic number.

It is an amenable number.

201850020041 is a deficient number, since it is larger than the sum of its proper divisors (1).

201850020041 is an equidigital number, since it uses as much as digits as its factorization.

201850020041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 201850020041 its reverse (140020058102), we get a palindrome (341870078143).

The spelling of 201850020041 in words is "two hundred one billion, eight hundred fifty million, twenty thousand, forty-one".