33020143332 has 96 divisors (see below), whose sum is σ = 84785648640. Its totient is φ = 9918910080.

The previous prime is 33020143313. The next prime is 33020143333. The reversal of 33020143332 is 23334102033.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (33020143333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19503078 + ... + 19504770.

It is an arithmetic number, because the mean of its divisors is an integer number (883183840).

Almost surely, 2^33020143332 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 33020143332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42392824320).

33020143332 is an abundant number, since it is smaller than the sum of its proper divisors (51765505308).

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

33020143332 is a wasteful number, since it uses less digits than its factorization.

33020143332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2913 (or 2911 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 33020143332 its reverse (23334102033), we get a palindrome (56354245365).

The spelling of 33020143332 in words is "thirty-three billion, twenty million, one hundred forty-three thousand, three hundred thirty-two".