201320201 has 4 divisors (see below), whose sum is σ = 201440532. Its totient is φ = 201199872.

The previous prime is 201320183. The next prime is 201320221. The reversal of 201320201 is 102023102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 176916601 + 24403600 = 13301^2 + 4940^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201320201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201320221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57620 + ... + 61013.

It is an arithmetic number, because the mean of its divisors is an integer number (50360133).

Almost surely, 2^201320201 is an apocalyptic number.

It is an amenable number.

201320201 is a deficient number, since it is larger than the sum of its proper divisors (120331).

201320201 is a wasteful number, since it uses less digits than its factorization.

201320201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120330.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 201320201 is about 14188.7350035160. The cubic root of 201320201 is about 586.0874903829.

Adding to 201320201 its reverse (102023102), we get a palindrome (303343303).

The spelling of 201320201 in words is "two hundred one million, three hundred twenty thousand, two hundred one".