201080 has 32 divisors (see below), whose sum is σ = 494640. Its totient is φ = 72960.

The previous prime is 201073. The next prime is 201101. The reversal of 201080 is 80102.

201080 = 5² + 6² + ... + 84².

It is a Harshad number since it is a multiple of its sum of digits (11).

It is a congruent number.

It is an unprimeable number.

201080 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212 + ... + 668.

2²⁰¹⁰⁸⁰ is an apocalyptic number.

201080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247320).

201080 is an abundant number, since it is smaller than the sum of its proper divisors (293560).

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

201080 is a wasteful number, since it uses less digits than its factorization.

201080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 201080 is about 448.4194465007. The cubic root of 201080 is about 58.5854304929.

Adding to 201080 its reverse (80102), we get a palindrome (281182).

The spelling of 201080 in words is "two hundred one thousand, eighty".