20330311302320 has 40 divisors (see below), whose sum is σ = 47271862889280. Its totient is φ = 8131455426560.

The previous prime is 20330311302293. The next prime is 20330311302347. The reversal of 20330311302320 is 2320311303302.

It is an interprime number because it is at equal distance from previous prime (20330311302293) and next prime (20330311302347).

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9475640 + ... + 11421399.

It is an arithmetic number, because the mean of its divisors is an integer number (1181796572232).

Almost surely, 2^{20330311302320} is an apocalyptic number.

20330311302320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20330311302320 is an abundant number, since it is smaller than the sum of its proper divisors (26941551586960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20330311302320 is a wasteful number, since it uses less digits than its factorization.

20330311302320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20909213 (or 20909207 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 20330311302320 its reverse (2320311303302), we get a palindrome (22650622605622).

The spelling of 20330311302320 in words is "twenty trillion, three hundred thirty billion, three hundred eleven million, three hundred two thousand, three hundred twenty".