33222120020 has 48 divisors (see below), whose sum is σ = 71401236480. Its totient is φ = 12980333184.

The previous prime is 33222120013. The next prime is 33222120031. The reversal of 33222120020 is 2002122233.

It is a super-2 number, since 2×33222120020² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95597 + ... + 274923.

It is an arithmetic number, because the mean of its divisors is an integer number (1487525760).

Almost surely, 2^33222120020 is an apocalyptic number.

It is an amenable number.

33222120020 is an abundant number, since it is smaller than the sum of its proper divisors (38179116460).

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

33222120020 is a wasteful number, since it uses less digits than its factorization.

33222120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179552 (or 179550 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 33222120020 its reverse (2002122233), we get a palindrome (35224242253).

The spelling of 33222120020 in words is "thirty-three billion, two hundred twenty-two million, one hundred twenty thousand, twenty".