33353420 has 24 divisors (see below), whose sum is σ = 70166544. Its totient is φ = 13317696.

The previous prime is 33353389. The next prime is 33353429. The reversal of 33353420 is 2435333.

It is a super-2 number, since 2×33353420² = 2224901251392800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33353429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14039 + ... + 16241.

It is an arithmetic number, because the mean of its divisors is an integer number (2923606).

Almost surely, 2^33353420 is an apocalyptic number.

It is an amenable number.

33353420 is an abundant number, since it is smaller than the sum of its proper divisors (36813124).

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

33353420 is a wasteful number, since it uses less digits than its factorization.

33353420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2969 (or 2967 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 23.

The square root of 33353420 is about 5775.2419862721. The cubic root of 33353420 is about 321.8944267660.

Adding to 33353420 its reverse (2435333), we get a palindrome (35788753).

The spelling of 33353420 in words is "thirty-three million, three hundred fifty-three thousand, four hundred twenty".