33133313320 has 32 divisors (see below), whose sum is σ = 77791259520. Its totient is φ = 12677093440.

The previous prime is 33133313309. The next prime is 33133313321. The reversal of 33133313320 is 2331333133.

It is a super-2 number, since 2×33133313320² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33133313321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18006316 + ... + 18008155.

It is an arithmetic number, because the mean of its divisors is an integer number (2430976860).

Almost surely, 2^33133313320 is an apocalyptic number.

It is an amenable number.

33133313320 is an abundant number, since it is smaller than the sum of its proper divisors (44657946200).

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

33133313320 is a wasteful number, since it uses less digits than its factorization.

33133313320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36014505 (or 36014501 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 25.

Adding to 33133313320 its reverse (2331333133), we get a palindrome (35464646453).

The spelling of 33133313320 in words is "thirty-three billion, one hundred thirty-three million, three hundred thirteen thousand, three hundred twenty".