20320242002 has 8 divisors (see below), whose sum is σ = 30481225212. Its totient is φ = 10159833600.

The previous prime is 20320241983. The next prime is 20320242011. The reversal of 20320242002 is 20024202302.

It can be written as a sum of positive squares in 2 ways, for example, as 17455958641 + 2864283361 = 132121^2 + 53519^2 .

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, 40499 + ... + 205622.

Almost surely, 2^20320242002 is an apocalyptic number.

20320242002 is a deficient number, since it is larger than the sum of its proper divisors (10160983210).

20320242002 is a wasteful number, since it uses less digits than its factorization.

20320242002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287404.

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

Adding to 20320242002 its reverse (20024202302), we get a palindrome (40344444304).

The spelling of 20320242002 in words is "twenty billion, three hundred twenty million, two hundred forty-two thousand, two".