33420324 has 48 divisors (see below), whose sum is σ = 91538048. Its totient is φ = 9289728.

The previous prime is 33420323. The next prime is 33420329. The reversal of 33420324 is 42302433.

It is a super-2 number, since 2×33420324² = 2233836112529952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 33420324.

It is not an unprimeable number, because it can be changed into a prime (33420323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2269 + ... + 8484.

Almost surely, 2^33420324 is an apocalyptic number.

It is an amenable number.

33420324 is an abundant number, since it is smaller than the sum of its proper divisors (58117724).

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

33420324 is a wasteful number, since it uses less digits than its factorization.

33420324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10804 (or 10802 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 33420324 is about 5781.0313958670. The cubic root of 33420324 is about 322.1095135644.

Adding to 33420324 its reverse (42302433), we get a palindrome (75722757).

The spelling of 33420324 in words is "thirty-three million, four hundred twenty thousand, three hundred twenty-four".