320004002242 has 8 divisors (see below), whose sum is σ = 480016924236. Its totient is φ = 159998360832.

The previous prime is 320004002207. The next prime is 320004002257. The reversal of 320004002242 is 242200400023.

It can be written as a sum of positive squares in 2 ways, for example, as 269131650841 + 50872351401 = 518779^2 + 225549^2 .

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

It is a super-3 number, since 3×320004002242³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1708903 + ... + 1886890.

Almost surely, 2^320004002242 is an apocalyptic number.

320004002242 is a deficient number, since it is larger than the sum of its proper divisors (160012921994).

320004002242 is a wasteful number, since it uses less digits than its factorization.

320004002242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3640292.

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 320004002242 its reverse (242200400023), we get a palindrome (562204402265).

The spelling of 320004002242 in words is "three hundred twenty billion, four million, two thousand, two hundred forty-two".