33255120 has 40 divisors (see below), whose sum is σ = 103091616. Its totient is φ = 8867968.

The previous prime is 33255091. The next prime is 33255121. The reversal of 33255120 is 2155233.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×33255120² = 2211806012428800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33255121) 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, 69042 + ... + 69521.

Almost surely, 2^33255120 is an apocalyptic number.

33255120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33255120 is an abundant number, since it is smaller than the sum of its proper divisors (69836496).

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

33255120 is a wasteful number, since it uses less digits than its factorization.

33255120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138579 (or 138573 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 33255120 is about 5766.7252405503. The cubic root of 33255120 is about 321.5778839275.

The spelling of 33255120 in words is "thirty-three million, two hundred fifty-five thousand, one hundred twenty".