201056 has 24 divisors (see below), whose sum is σ = 406224. Its totient is φ = 97920.

The previous prime is 201049. The next prime is 201073. The reversal of 201056 is 650102.

It is a self number, because there is not a number n which added to its sum of digits gives 201056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1901 + ... + 2003.

It is an arithmetic number, because the mean of its divisors is an integer number (16926).

2²⁰¹⁰⁵⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203112).

201056 is an abundant number, since it is smaller than the sum of its proper divisors (205168).

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

201056 is a wasteful number, since it uses less digits than its factorization.

201056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 201056 is about 448.3926850429. The cubic root of 201056 is about 58.5830995694.

Adding to 201056 its reverse (650102), we get a palindrome (851158).

The spelling of 201056 in words is "two hundred one thousand, fifty-six".