200220204242 has 4 divisors (see below), whose sum is σ = 300330306366. Its totient is φ = 100110102120.

The previous prime is 200220204221. The next prime is 200220204257. The reversal of 200220204242 is 242402022002.

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., 188730293761 + 11489910481 = 434431^2 + 107191^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50055051059 + ... + 50055051062.

Almost surely, 2^200220204242 is an apocalyptic number.

200220204242 is a deficient number, since it is larger than the sum of its proper divisors (100110102124).

200220204242 is a wasteful number, since it uses less digits than its factorization.

200220204242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100110102123.

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 200220204242 its reverse (242402022002), we get a palindrome (442622226244).

The spelling of 200220204242 in words is "two hundred billion, two hundred twenty million, two hundred four thousand, two hundred forty-two".