200660442 has 8 divisors (see below), whose sum is σ = 401320896. Its totient is φ = 66886812.

The previous prime is 200660423. The next prime is 200660477. The reversal of 200660442 is 244066002.

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

200660442 is an admirable number.

It is a super-2 number, since 2×200660442² = 80529225967270728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16721698 + ... + 16721709.

It is an arithmetic number, because the mean of its divisors is an integer number (50165112).

Almost surely, 2^200660442 is an apocalyptic number.

200660442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200660442 is a wasteful number, since it uses less digits than its factorization.

200660442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33443412.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 200660442 is about 14165.4665295570. The cubic root of 200660442 is about 585.4465550869.

It can be divided in two parts, 200660 and 442, that added together give a palindrome (201102).

The spelling of 200660442 in words is "two hundred million, six hundred sixty thousand, four hundred forty-two".