200442661 has 8 divisors (see below), whose sum is σ = 204488064. Its totient is φ = 196407120.

The previous prime is 200442629. The next prime is 200442679. The reversal of 200442661 is 166244002.

200442661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200442661 - 2⁵ = 200442629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200442601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49296 + ... + 53206.

It is an arithmetic number, because the mean of its divisors is an integer number (25561008).

Almost surely, 2^200442661 is an apocalyptic number.

It is an amenable number.

200442661 is a deficient number, since it is larger than the sum of its proper divisors (4045403).

200442661 is an equidigital number, since it uses as much as digits as its factorization.

200442661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4931.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 200442661 is about 14157.7774032508. Note that the first 3 decimals coincide. The cubic root of 200442661 is about 585.2346792623.

Adding to 200442661 its reverse (166244002), we get a palindrome (366686663).

The spelling of 200442661 in words is "two hundred million, four hundred forty-two thousand, six hundred sixty-one".