33321133220 has 48 divisors (see below), whose sum is σ = 74783036160. Its totient is φ = 12427175424.

The previous prime is 33321133213. The next prime is 33321133243. The reversal of 33321133220 is 2233112333.

It is a super-2 number, since 2×33321133220² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421580 + ... + 494339.

It is an arithmetic number, because the mean of its divisors is an integer number (1557979920).

Almost surely, 2^33321133220 is an apocalyptic number.

It is an amenable number.

33321133220 is an abundant number, since it is smaller than the sum of its proper divisors (41461902940).

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

33321133220 is a wasteful number, since it uses less digits than its factorization.

33321133220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916052 (or 916050 counting only the distinct ones).

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

Adding to 33321133220 its reverse (2233112333), we get a palindrome (35554245553).

It can be divided in two parts, 3332113 and 3220, that added together give a palindrome (3335333).

The spelling of 33321133220 in words is "thirty-three billion, three hundred twenty-one million, one hundred thirty-three thousand, two hundred twenty".