33256120224 has 24 divisors (see below), whose sum is σ = 87297315840. Its totient is φ = 11085373376.

The previous prime is 33256120193. The next prime is 33256120277. The reversal of 33256120224 is 42202165233.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×33256120224² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33256120191 and 33256120200.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 173208864 + ... + 173209055.

It is an arithmetic number, because the mean of its divisors is an integer number (3637388160).

Almost surely, 2^33256120224 is an apocalyptic number.

It is an amenable number.

33256120224 is an abundant number, since it is smaller than the sum of its proper divisors (54041195616).

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

33256120224 is a wasteful number, since it uses less digits than its factorization.

33256120224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346417932 (or 346417924 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 33256120224 its reverse (42202165233), we get a palindrome (75458285457).

The spelling of 33256120224 in words is "thirty-three billion, two hundred fifty-six million, one hundred twenty thousand, two hundred twenty-four".