201270 has 16 divisors (see below), whose sum is σ = 483120. Its totient is φ = 53664.

The previous prime is 201251. The next prime is 201281. The reversal of 201270 is 72102.

It is a super-2 number, since 2×201270² = 81019225800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

201270 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, 3325 + ... + 3384.

It is an arithmetic number, because the mean of its divisors is an integer number (30195).

2²⁰¹²⁷⁰ is an apocalyptic number.

201270 is an abundant number, since it is smaller than the sum of its proper divisors (281850).

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

201270 is a wasteful number, since it uses less digits than its factorization.

201270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6719.

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 201270 is about 448.6312516979. The cubic root of 201270 is about 58.6038770940.

Adding to 201270 its reverse (72102), we get a palindrome (273372).

The spelling of 201270 in words is "two hundred one thousand, two hundred seventy", and thus it is an iban number.