33213004320 has 48 divisors (see below), whose sum is σ = 104620965120. Its totient is φ = 8856801024.

The previous prime is 33213004273. The next prime is 33213004351. The reversal of 33213004320 is 2340031233.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×33213004320² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34596400 + ... + 34597359.

It is an arithmetic number, because the mean of its divisors is an integer number (2179603440).

Almost surely, 2^33213004320 is an apocalyptic number.

33213004320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33213004320 is an abundant number, since it is smaller than the sum of its proper divisors (71407960800).

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

33213004320 is a wasteful number, since it uses less digits than its factorization.

33213004320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69193777 (or 69193769 counting only the distinct ones).

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

Adding to 33213004320 its reverse (2340031233), we get a palindrome (35553035553).

The spelling of 33213004320 in words is "thirty-three billion, two hundred thirteen million, four thousand, three hundred twenty".