20330000012 has 96 divisors (see below), whose sum is σ = 44453068800. Its totient is φ = 7944298560.

The previous prime is 20330000011. The next prime is 20330000051. The reversal of 20330000012 is 21000003302.

It is a junction number, because it is equal to n+sod(n) for n = 20329999948 and 20330000002.

It is not an unprimeable number, because it can be changed into a prime (20330000011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1329989 + ... + 1345187.

It is an arithmetic number, because the mean of its divisors is an integer number (463052800).

Almost surely, 2^20330000012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20330000012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22226534400).

20330000012 is an abundant number, since it is smaller than the sum of its proper divisors (24123068788).

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

20330000012 is a wasteful number, since it uses less digits than its factorization.

20330000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15331 (or 15329 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 20330000012 its reverse (21000003302), we get a palindrome (41330003314).

The spelling of 20330000012 in words is "twenty billion, three hundred thirty million, twelve", and thus it is an aban number.