5205020242 has 8 divisors (see below), whose sum is σ = 7816395132. Its totient is φ = 2599555200.

The previous prime is 5205020209. The next prime is 5205020273. The reversal of 5205020242 is 2420205025.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4386545361 + 818474881 = 66231^2 + 28609^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 1475259 + ... + 1478782.

Almost surely, 2^5205020242 is an apocalyptic number.

5205020242 is a deficient number, since it is larger than the sum of its proper divisors (2611374890).

5205020242 is a wasteful number, since it uses less digits than its factorization.

5205020242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2954924.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 5205020242 is about 72145.8262271630. The cubic root of 5205020242 is about 1733.0355608385.

Adding to 5205020242 its reverse (2420205025), we get a palindrome (7625225267).

The spelling of 5205020242 in words is "five billion, two hundred five million, twenty thousand, two hundred forty-two".