201330 has 24 divisors (see below), whose sum is σ = 523692. Its totient is φ = 53664.
The previous prime is 201329. The next prime is 201337. The reversal of 201330 is 33102.
201330 = 732 + 742 + ... + 992.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 199809 + 1521 = 447^2 + 39^2 .
It is a Harshad number since it is a multiple of its sum of digits (9).
It is not an unprimeable number, because it can be changed into a prime (201337) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1029 + ... + 1208.
2201330 is an apocalyptic number.
201330 is an abundant number, since it is smaller than the sum of its proper divisors (322362).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
201330 is a wasteful number, since it uses less digits than its factorization.
201330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2250 (or 2247 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 9.
The square root of 201330 is about 448.6981167779. The cubic root of 201330 is about 58.6096999245.
Adding to 201330 its reverse (33102), we get a palindrome (234432).
The spelling of 201330 in words is "two hundred one thousand, three hundred thirty".
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