201850020007 has 2 divisors, whose sum is σ = 201850020008. Its totient is φ = 201850020006.

The previous prime is 201850019999. The next prime is 201850020041. The reversal of 201850020007 is 700020058102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201850020007 - 2³ = 201850019999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201850020077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100925010003 + 100925010004.

It is an arithmetic number, because the mean of its divisors is an integer number (100925010004).

Almost surely, 2^201850020007 is an apocalyptic number.

201850020007 is a deficient number, since it is larger than the sum of its proper divisors (1).

201850020007 is an equidigital number, since it uses as much as digits as its factorization.

201850020007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 25.

Adding to 201850020007 its reverse (700020058102), we get a palindrome (901870078109).

The spelling of 201850020007 in words is "two hundred one billion, eight hundred fifty million, twenty thousand, seven".