201802 has 16 divisors (see below), whose sum is σ = 326592. Its totient is φ = 93280.

The previous prime is 201797. The next prime is 201809. The reversal of 201802 is 208102.

It is not an unprimeable number, because it can be changed into a prime (201809) by changing a digit.

201802 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 1833 + ... + 1939.

It is an arithmetic number, because the mean of its divisors is an integer number (20412).

2²⁰¹⁸⁰² is an apocalyptic number.

201802 is a deficient number, since it is larger than the sum of its proper divisors (124790).

201802 is a wasteful number, since it uses less digits than its factorization.

201802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 201802 is about 449.2237749719. The cubic root of 201802 is about 58.6554658943.

Adding to 201802 its reverse (208102), we get a palindrome (409904).

The spelling of 201802 in words is "two hundred one thousand, eight hundred two".