201004 has 12 divisors (see below), whose sum is σ = 363328. Its totient is φ = 97200.

The previous prime is 200989. The next prime is 201007. The reversal of 201004 is 400102.

201004 = T₁₇₇ + T₁₇₈ + ... + T₁₈₈.

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 pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 687 + ... + 934.

2²⁰¹⁰⁰⁴ is an apocalyptic number.

It is an amenable number.

201004 is a deficient number, since it is larger than the sum of its proper divisors (162324).

201004 is a wasteful number, since it uses less digits than its factorization.

201004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656 (or 1654 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 201004 is about 448.3346964044. The cubic root of 201004 is about 58.5780485988.

Adding to 201004 its reverse (400102), we get a palindrome (601106).

It can be divided in two parts, 20 and 1004, that added together give a 10-th power (1024 = 2¹⁰).

The spelling of 201004 in words is "two hundred one thousand, four", and thus it is an iban number.