201380 has 12 divisors (see below), whose sum is σ = 422940. Its totient is φ = 80544.

The previous prime is 201359. The next prime is 201389. The reversal of 201380 is 83102.

It can be written as a sum of positive squares in 2 ways, for example, as 61504 + 139876 = 248^2 + 374^2 .

It is not an unprimeable number, because it can be changed into a prime (201389) by changing a digit.

201380 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 3 ways as a sum of consecutive naturals, for example, 5015 + ... + 5054.

It is an arithmetic number, because the mean of its divisors is an integer number (35245).

2²⁰¹³⁸⁰ is an apocalyptic number.

201380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201380 is an abundant number, since it is smaller than the sum of its proper divisors (221560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201380 is a wasteful number, since it uses less digits than its factorization.

201380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10078 (or 10076 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 201380 is about 448.7538300672. The cubic root of 201380 is about 58.6145513996.

Adding to 201380 its reverse (83102), we get a palindrome (284482).

The spelling of 201380 in words is "two hundred one thousand, three hundred eighty".