200000442 has 16 divisors (see below), whose sum is σ = 406781280. Its totient is φ = 65536752.

The previous prime is 200000431. The next prime is 200000447. The reversal of 200000442 is 244000002.

It is not an unprimeable number, because it can be changed into a prime (200000447) 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, 282133 + ... + 282840.

It is an arithmetic number, because the mean of its divisors is an integer number (25423830).

Almost surely, 2^200000442 is an apocalyptic number.

200000442 is an abundant number, since it is smaller than the sum of its proper divisors (206780838).

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

200000442 is a wasteful number, since it uses less digits than its factorization.

200000442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565037.

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 200000442 is about 14142.1512507822. The cubic root of 200000442 is about 584.8039784475.

Adding to 200000442 its reverse (244000002), we get a palindrome (444000444).

The spelling of 200000442 in words is "two hundred million, four hundred forty-two", and thus it is an aban number.