33130302320 has 20 divisors (see below), whose sum is σ = 77027953080. Its totient is φ = 13252120896.

The previous prime is 33130302313. The next prime is 33130302323. The reversal of 33130302320 is 2320303133.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 33130302292 and 33130302301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33130302323) 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 3 ways as a sum of consecutive naturals, for example, 207064310 + ... + 207064469.

It is an arithmetic number, because the mean of its divisors is an integer number (3851397654).

Almost surely, 2^33130302320 is an apocalyptic number.

It is an amenable number.

33130302320 is an abundant number, since it is smaller than the sum of its proper divisors (43897650760).

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

33130302320 is a wasteful number, since it uses less digits than its factorization.

33130302320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414128792 (or 414128786 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 33130302320 its reverse (2320303133), we get a palindrome (35450605453).

The spelling of 33130302320 in words is "thirty-three billion, one hundred thirty million, three hundred two thousand, three hundred twenty".