20330012312 has 64 divisors (see below), whose sum is σ = 41578944000. Its totient is φ = 9286752384.

The previous prime is 20330012251. The next prime is 20330012323. The reversal of 20330012312 is 21321003302.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 496658 + ... + 536030.

It is an arithmetic number, because the mean of its divisors is an integer number (649671000).

Almost surely, 2^20330012312 is an apocalyptic number.

It is an amenable number.

20330012312 is an abundant number, since it is smaller than the sum of its proper divisors (21248931688).

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

20330012312 is a wasteful number, since it uses less digits than its factorization.

20330012312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39520 (or 39516 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20330012312 its reverse (21321003302), we get a palindrome (41651015614).

The spelling of 20330012312 in words is "twenty billion, three hundred thirty million, twelve thousand, three hundred twelve".