200100442 has 16 divisors (see below), whose sum is σ = 302097600. Its totient is φ = 99404032.

The previous prime is 200100431. The next prime is 200100449. The reversal of 200100442 is 244001002.

It is not an unprimeable number, because it can be changed into a prime (200100449) 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, 397563 + ... + 398065.

It is an arithmetic number, because the mean of its divisors is an integer number (18881100).

Almost surely, 2^200100442 is an apocalyptic number.

200100442 is a deficient number, since it is larger than the sum of its proper divisors (101997158).

200100442 is a wasteful number, since it uses less digits than its factorization.

200100442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 200100442 is about 14145.6863389515. The cubic root of 200100442 is about 584.9014293219.

Adding to 200100442 its reverse (244001002), we get a palindrome (444101444).

The spelling of 200100442 in words is "two hundred million, one hundred thousand, four hundred forty-two".