20331140330 has 16 divisors (see below), whose sum is σ = 36597740544. Its totient is φ = 8132081040.

The previous prime is 20331140321. The next prime is 20331140339. The reversal of 20331140330 is 3304113302.

It is an interprime number because it is at equal distance from previous prime (20331140321) and next prime (20331140339).

It is not an unprimeable number, because it can be changed into a prime (20331140339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310439 + ... + 370181.

It is an arithmetic number, because the mean of its divisors is an integer number (2287358784).

Almost surely, 2^20331140330 is an apocalyptic number.

20331140330 is a deficient number, since it is larger than the sum of its proper divisors (16266600214).

20331140330 is a wasteful number, since it uses less digits than its factorization.

20331140330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93781.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20331140330 its reverse (3304113302), we get a palindrome (23635253632).

The spelling of 20331140330 in words is "twenty billion, three hundred thirty-one million, one hundred forty thousand, three hundred thirty".