20330133300 has 144 divisors (see below), whose sum is σ = 66165209600. Its totient is φ = 5421310560.

The previous prime is 20330133259. The next prime is 20330133301. The reversal of 20330133300 is 333103302.

20330133300 is a `hidden beast` number, since 2 + 0 + 330 + 1 + 3 + 330 + 0 = 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 (20330133301) 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 47 ways as a sum of consecutive naturals, for example, 172221 + ... + 265179.

Almost surely, 2^20330133300 is an apocalyptic number.

20330133300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20330133300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33082604800).

20330133300 is an abundant number, since it is smaller than the sum of its proper divisors (45835076300).

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

20330133300 is an equidigital number, since it uses as much as digits as its factorization.

20330133300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92994 (or 92969 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 18.

Adding to 20330133300 its reverse (333103302), we get a palindrome (20663236602).

The spelling of 20330133300 in words is "twenty billion, three hundred thirty million, one hundred thirty-three thousand, three hundred".