200403242 has 24 divisors (see below), whose sum is σ = 344664396. Its totient is φ = 87050496.

The previous prime is 200403233. The next prime is 200403277. The reversal of 200403242 is 242304002.

It can be written as a sum of positive squares in 6 ways, for example, as 80478841 + 119924401 = 8971^2 + 10951^2 .

It is a super-2 number, since 2×200403242² = 80322918808221128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 200403242.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11693 + ... + 23184.

Almost surely, 2^200403242 is an apocalyptic number.

200403242 is a deficient number, since it is larger than the sum of its proper divisors (144261154).

200403242 is a wasteful number, since it uses less digits than its factorization.

200403242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34922 (or 34909 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 200403242 is about 14156.3852024449. The cubic root of 200403242 is about 585.1963127154.

Adding to 200403242 its reverse (242304002), we get a palindrome (442707244).

The spelling of 200403242 in words is "two hundred million, four hundred three thousand, two hundred forty-two".