33021132330 has 128 divisors (see below), whose sum is σ = 82169303040. Its totient is φ = 8487521280.

The previous prime is 33021132329. The next prime is 33021132359. The reversal of 33021132330 is 3323112033.

It is a junction number, because it is equal to n+sod(n) for n = 33021132297 and 33021132306.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 52331115 + ... + 52331745.

It is an arithmetic number, because the mean of its divisors is an integer number (641947680).

Almost surely, 2^33021132330 is an apocalyptic number.

33021132330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 33021132330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41084651520).

33021132330 is an abundant number, since it is smaller than the sum of its proper divisors (49148170710).

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

33021132330 is a wasteful number, since it uses less digits than its factorization.

33021132330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 33021132330 its reverse (3323112033), we get a palindrome (36344244363).

The spelling of 33021132330 in words is "thirty-three billion, twenty-one million, one hundred thirty-two thousand, three hundred thirty".