201132266 has 4 divisors (see below), whose sum is σ = 301698402. Its totient is φ = 100566132.

The previous prime is 201132251. The next prime is 201132277. The reversal of 201132266 is 662231102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 191241241 + 9891025 = 13829^2 + 3145^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50283065 + ... + 50283068.

Almost surely, 2^201132266 is an apocalyptic number.

201132266 is a deficient number, since it is larger than the sum of its proper divisors (100566136).

201132266 is a wasteful number, since it uses less digits than its factorization.

201132266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100566135.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 201132266 is about 14182.1107737882. The cubic root of 201132266 is about 585.9050601978.

Adding to 201132266 its reverse (662231102), we get a palindrome (863363368).

The spelling of 201132266 in words is "two hundred one million, one hundred thirty-two thousand, two hundred sixty-six".