20333130012 has 72 divisors (see below), whose sum is σ = 55370231280. Its totient is φ = 6254208000.

The previous prime is 20333130011. The next prime is 20333130017. The reversal of 20333130012 is 21003133302.

20333130012 is a `hidden beast` number, since 20 + 3 + 331 + 300 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20333130011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1867039 + ... + 1877897.

It is an arithmetic number, because the mean of its divisors is an integer number (769030990).

Almost surely, 2^20333130012 is an apocalyptic number.

It is an amenable number.

20333130012 is an abundant number, since it is smaller than the sum of its proper divisors (35037101268).

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

20333130012 is a wasteful number, since it uses less digits than its factorization.

20333130012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14883 (or 14878 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20333130012 its reverse (21003133302), we get a palindrome (41336263314).

The spelling of 20333130012 in words is "twenty billion, three hundred thirty-three million, one hundred thirty thousand, twelve".