20331230002 has 8 divisors (see below), whose sum is σ = 32290777116. Its totient is φ = 9567637632.

The previous prime is 20331229993. The next prime is 20331230009. The reversal of 20331230002 is 20003213302.

It can be written as a sum of positive squares in 2 ways, for example, as 15685308081 + 4645921921 = 125241^2 + 68161^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20331230009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298988643 + ... + 298988710.

Almost surely, 2^20331230002 is an apocalyptic number.

20331230002 is a deficient number, since it is larger than the sum of its proper divisors (11959547114).

20331230002 is a wasteful number, since it uses less digits than its factorization.

20331230002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597977372.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20331230002 its reverse (20003213302), we get a palindrome (40334443304).

The spelling of 20331230002 in words is "twenty billion, three hundred thirty-one million, two hundred thirty thousand, two".