201235966 has 4 divisors (see below), whose sum is σ = 301853952. Its totient is φ = 100617982.

The previous prime is 201235949. The next prime is 201235967. The reversal of 201235966 is 669532102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201235967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50308990 + ... + 50308993.

It is an arithmetic number, because the mean of its divisors is an integer number (75463488).

Almost surely, 2^201235966 is an apocalyptic number.

201235966 is a deficient number, since it is larger than the sum of its proper divisors (100617986).

201235966 is a wasteful number, since it uses less digits than its factorization.

201235966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100617985.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 201235966 is about 14185.7663169813. The cubic root of 201235966 is about 586.0057367608.

The spelling of 201235966 in words is "two hundred one million, two hundred thirty-five thousand, nine hundred sixty-six".