201850020039 has 16 divisors (see below), whose sum is σ = 285323601920. Its totient is φ = 126706200480.

The previous prime is 201850020007. The next prime is 201850020041. The reversal of 201850020039 is 930020058102.

It is a happy number.

It is not a de Polignac number, because 201850020039 - 2⁵ = 201850020007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201850019988 and 201850020015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201850020439) 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 in 15 ways as a sum of consecutive naturals, for example, 29326699 + ... + 29333580.

It is an arithmetic number, because the mean of its divisors is an integer number (17832725120).

Almost surely, 2^201850020039 is an apocalyptic number.

201850020039 is a deficient number, since it is larger than the sum of its proper divisors (83473581881).

201850020039 is a wasteful number, since it uses less digits than its factorization.

201850020039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58660350.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 201850020039 in words is "two hundred one billion, eight hundred fifty million, twenty thousand, thirty-nine".