33021302130320 has 80 divisors (see below), whose sum is σ = 87743384956800. Its totient is φ = 11321451512832.

The previous prime is 33021302130287. The next prime is 33021302130347. The reversal of 33021302130320 is 2303120312033.

It is a tau number, because it is divible by the number of its divisors (80).

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, 52691939 + ... + 53314941.

It is an arithmetic number, because the mean of its divisors is an integer number (1096792311960).

Almost surely, 2^{33021302130320} is an apocalyptic number.

It is an amenable number.

33021302130320 is an abundant number, since it is smaller than the sum of its proper divisors (54722082826480).

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

33021302130320 is a wasteful number, since it uses less digits than its factorization.

33021302130320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717672 (or 717666 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 33021302130320 its reverse (2303120312033), we get a palindrome (35324422442353).

The spelling of 33021302130320 in words is "thirty-three trillion, twenty-one billion, three hundred two million, one hundred thirty thousand, three hundred twenty".