201005 has 8 divisors (see below), whose sum is σ = 275712. Its totient is φ = 137808.

The previous prime is 200989. The next prime is 201007. The reversal of 201005 is 500102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201005 - 2⁴ = 200989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200983 and 201001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2837 + ... + 2906.

It is an arithmetic number, because the mean of its divisors is an integer number (34464).

2²⁰¹⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

201005 is a deficient number, since it is larger than the sum of its proper divisors (74707).

201005 is an equidigital number, since it uses as much as digits as its factorization.

201005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5755.

The product of its (nonzero) digits is 10, while the sum is 8.

The square root of 201005 is about 448.3358116412. The cubic root of 201005 is about 58.5781457411.

Adding to 201005 its reverse (500102), we get a palindrome (701107).

It can be divided in two parts, 20 and 1005, that multiplied together give a triangular number (20100 = T₂₀₀).

The spelling of 201005 in words is "two hundred one thousand, five".