33133310220 has 96 divisors (see below), whose sum is σ = 94672440576. Its totient is φ = 8655840000.

The previous prime is 33133310191. The next prime is 33133310237. The reversal of 33133310220 is 2201333133.

It is a super-2 number, since 2×33133310220² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 900627 + ... + 936693.

It is an arithmetic number, because the mean of its divisors is an integer number (986171256).

Almost surely, 2^33133310220 is an apocalyptic number.

33133310220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33133310220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47336220288).

33133310220 is an abundant number, since it is smaller than the sum of its proper divisors (61539130356).

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

33133310220 is a wasteful number, since it uses less digits than its factorization.

33133310220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36391 (or 36389 counting only the distinct ones).

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

Adding to 33133310220 its reverse (2201333133), we get a palindrome (35334643353).

The spelling of 33133310220 in words is "thirty-three billion, one hundred thirty-three million, three hundred ten thousand, two hundred twenty".