201866852 has 12 divisors (see below), whose sum is σ = 385382256. Its totient is φ = 91757640.

The previous prime is 201866851. The next prime is 201866879. The reversal of 201866852 is 258668102.

201866852 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (201866851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2293898 + ... + 2293985.

It is an arithmetic number, because the mean of its divisors is an integer number (32115188).

Almost surely, 2^201866852 is an apocalyptic number.

201866852 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

201866852 is a deficient number, since it is larger than the sum of its proper divisors (183515404).

201866852 is a wasteful number, since it uses less digits than its factorization.

201866852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4587898 (or 4587896 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 201866852 is about 14207.9855011187. The cubic root of 201866852 is about 586.6174848291.

The spelling of 201866852 in words is "two hundred one million, eight hundred sixty-six thousand, eight hundred fifty-two".