201940893 has 72 divisors (see below), whose sum is σ = 373464000. Its totient is φ = 102896640.

The previous prime is 201940883. The next prime is 201940901. The reversal of 201940893 is 398049102.

It is not a de Polignac number, because 201940893 - 2⁵ = 201940861 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201940853) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 449533 + ... + 449981.

It is an arithmetic number, because the mean of its divisors is an integer number (5187000).

Almost surely, 2^201940893 is an apocalyptic number.

It is an amenable number.

201940893 is a deficient number, since it is larger than the sum of its proper divisors (171523107).

201940893 is a wasteful number, since it uses less digits than its factorization.

201940893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543 (or 529 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 201940893 is about 14210.5908744148. The cubic root of 201940893 is about 586.6891961834.

Adding to 201940893 its reverse (398049102), we get a palindrome (599989995).

The spelling of 201940893 in words is "two hundred one million, nine hundred forty thousand, eight hundred ninety-three".