201340205 has 16 divisors (see below), whose sum is σ = 267188544. Its totient is φ = 144420480.

The previous prime is 201340201. The next prime is 201340211. The reversal of 201340205 is 502043102.

It is not a de Polignac number, because 201340205 - 2² = 201340201 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201340201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21059 + ... + 29088.

It is an arithmetic number, because the mean of its divisors is an integer number (16699284).

Almost surely, 2^201340205 is an apocalyptic number.

It is an amenable number.

201340205 is a deficient number, since it is larger than the sum of its proper divisors (65848339).

201340205 is a wasteful number, since it uses less digits than its factorization.

201340205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50236.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 201340205 is about 14189.4399114271. The cubic root of 201340205 is about 586.1069017581.

Adding to 201340205 its reverse (502043102), we get a palindrome (703383307).

The spelling of 201340205 in words is "two hundred one million, three hundred forty thousand, two hundred five".