200002040242 has 4 divisors (see below), whose sum is σ = 300003060366. Its totient is φ = 100001020120.

The previous prime is 200002040237. The next prime is 200002040257. The reversal of 200002040242 is 242040200002.

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., 197561581441 + 2440458801 = 444479^2 + 49401^2 .

It is a super-2 number, since 2×200002040242² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000510059 + ... + 50000510062.

Almost surely, 2^200002040242 is an apocalyptic number.

200002040242 is a deficient number, since it is larger than the sum of its proper divisors (100001020124).

200002040242 is a wasteful number, since it uses less digits than its factorization.

200002040242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100001020123.

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 200002040242 its reverse (242040200002), we get a palindrome (442042240244).

The spelling of 200002040242 in words is "two hundred billion, two million, forty thousand, two hundred forty-two".