20302330018 has 8 divisors (see below), whose sum is σ = 30454261020. Its totient is φ = 10150909680.

The previous prime is 20302330007. The next prime is 20302330039. The reversal of 20302330018 is 81003320302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18164839729 + 2137490289 = 134777^2 + 46233^2 .

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, 4513 + ... + 201556.

Almost surely, 2^20302330018 is an apocalyptic number.

20302330018 is a deficient number, since it is larger than the sum of its proper divisors (10151931002).

20302330018 is a wasteful number, since it uses less digits than its factorization.

20302330018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255332.

The product of its (nonzero) digits is 864, while the sum is 22.

The spelling of 20302330018 in words is "twenty billion, three hundred two million, three hundred thirty thousand, eighteen".