33252420 has 24 divisors (see below), whose sum is σ = 93106944. Its totient is φ = 8867296.

The previous prime is 33252419. The next prime is 33252433. The reversal of 33252420 is 2425233.

It is a super-2 number, since 2×33252420² = 2211446871712800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277044 + ... + 277163.

It is an arithmetic number, because the mean of its divisors is an integer number (3879456).

Almost surely, 2^33252420 is an apocalyptic number.

33252420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33252420 is an abundant number, since it is smaller than the sum of its proper divisors (59854524).

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

33252420 is a wasteful number, since it uses less digits than its factorization.

33252420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554219 (or 554217 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 33252420 is about 5766.4911341300. The cubic root of 33252420 is about 321.5691806683.

Adding to 33252420 its reverse (2425233), we get a palindrome (35677653).

The spelling of 33252420 in words is "thirty-three million, two hundred fifty-two thousand, four hundred twenty".