33424120 has 16 divisors (see below), whose sum is σ = 75204360. Its totient is φ = 13369632.

The previous prime is 33424117. The next prime is 33424121. The reversal of 33424120 is 2142433.

It is a super-2 number, since 2×33424120² = 2234343595548800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33424121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417762 + ... + 417841.

Almost surely, 2^33424120 is an apocalyptic number.

It is an amenable number.

33424120 is an abundant number, since it is smaller than the sum of its proper divisors (41780240).

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

33424120 is a wasteful number, since it uses less digits than its factorization.

33424120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835614 (or 835610 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 33424120 is about 5781.3597016619. The cubic root of 33424120 is about 322.1217085531.

Adding to 33424120 its reverse (2142433), we get a palindrome (35566553).

The spelling of 33424120 in words is "thirty-three million, four hundred twenty-four thousand, one hundred twenty".