33130020320 has 96 divisors (see below), whose sum is σ = 82506211200. Its totient is φ = 12536695296.

The previous prime is 33130020299. The next prime is 33130020331. The reversal of 33130020320 is 2302003133.

It is a super-2 number, since 2×33130020320² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2239187 + ... + 2253933.

It is an arithmetic number, because the mean of its divisors is an integer number (859439700).

Almost surely, 2^33130020320 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 33130020320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41253105600).

33130020320 is an abundant number, since it is smaller than the sum of its proper divisors (49376190880).

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

33130020320 is a wasteful number, since it uses less digits than its factorization.

33130020320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15520 (or 15512 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 33130020320 its reverse (2302003133), we get a palindrome (35432023453).

The spelling of 33130020320 in words is "thirty-three billion, one hundred thirty million, twenty thousand, three hundred twenty".