20312330330 has 16 divisors (see below), whose sum is σ = 36607292064. Its totient is φ = 8114910480.

The previous prime is 20312330329. The next prime is 20312330351. The reversal of 20312330330 is 3303321302.

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 7 ways as a sum of consecutive naturals, for example, 1244192 + ... + 1260411.

It is an arithmetic number, because the mean of its divisors is an integer number (2287955754).

Almost surely, 2^20312330330 is an apocalyptic number.

20312330330 is a deficient number, since it is larger than the sum of its proper divisors (16294961734).

20312330330 is a wasteful number, since it uses less digits than its factorization.

20312330330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505421.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 20312330330 its reverse (3303321302), we get a palindrome (23615651632).

The spelling of 20312330330 in words is "twenty billion, three hundred twelve million, three hundred thirty thousand, three hundred thirty".