33123320022 has 64 divisors (see below), whose sum is σ = 72184432320. Its totient is φ = 10071834624.

The previous prime is 33123320017. The next prime is 33123320023. The reversal of 33123320022 is 22002332133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33123320023) by changing a digit.

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, 5815408 + ... + 5821100.

It is an arithmetic number, because the mean of its divisors is an integer number (1127881755).

Almost surely, 2^33123320022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33123320022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36092216160).

33123320022 is an abundant number, since it is smaller than the sum of its proper divisors (39061112298).

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

33123320022 is a wasteful number, since it uses less digits than its factorization.

33123320022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6577.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 33123320022 its reverse (22002332133), we get a palindrome (55125652155).

The spelling of 33123320022 in words is "thirty-three billion, one hundred twenty-three million, three hundred twenty thousand, twenty-two".