200203221242 has 4 divisors (see below), whose sum is σ = 300304831866. Its totient is φ = 100101610620.

The previous prime is 200203221203. The next prime is 200203221287. The reversal of 200203221242 is 242122302002.

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., 175459616641 + 24743604601 = 418879^2 + 157301^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50050805309 + ... + 50050805312.

Almost surely, 2^200203221242 is an apocalyptic number.

200203221242 is a deficient number, since it is larger than the sum of its proper divisors (100101610624).

200203221242 is a wasteful number, since it uses less digits than its factorization.

200203221242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100101610623.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 200203221242 its reverse (242122302002), we get a palindrome (442325523244).

The spelling of 200203221242 in words is "two hundred billion, two hundred three million, two hundred twenty-one thousand, two hundred forty-two".