33223310020 has 96 divisors (see below), whose sum is σ = 75589355520. Its totient is φ = 12228142080.

The previous prime is 33223310011. The next prime is 33223310051. The reversal of 33223310020 is 2001332233.

It is a happy number.

It is a super-2 number, since 2×33223310020² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33223310020.

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 31 ways as a sum of consecutive naturals, for example, 3744109 + ... + 3752971.

It is an arithmetic number, because the mean of its divisors is an integer number (787389120).

Almost surely, 2^33223310020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33223310020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37794677760).

33223310020 is an abundant number, since it is smaller than the sum of its proper divisors (42366045500).

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

33223310020 is a wasteful number, since it uses less digits than its factorization.

33223310020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9205 (or 9203 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 33223310020 its reverse (2001332233), we get a palindrome (35224642253).

The spelling of 33223310020 in words is "thirty-three billion, two hundred twenty-three million, three hundred ten thousand, twenty".