200220242 has 4 divisors (see below), whose sum is σ = 300330366. Its totient is φ = 100110120.

The previous prime is 200220191. The next prime is 200220277. The reversal of 200220242 is 242022002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 166126321 + 34093921 = 12889^2 + 5839^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50055059 + ... + 50055062.

Almost surely, 2^200220242 is an apocalyptic number.

200220242 is a deficient number, since it is larger than the sum of its proper divisors (100110124).

200220242 is a wasteful number, since it uses less digits than its factorization.

200220242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100110123.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 200220242 is about 14149.9202117892. The cubic root of 200220242 is about 585.0181327323.

Adding to 200220242 its reverse (242022002), we get a palindrome (442242244).

The spelling of 200220242 in words is "two hundred million, two hundred twenty thousand, two hundred forty-two".