33230320 has 20 divisors (see below), whose sum is σ = 77260680. Its totient is φ = 13292096.

The previous prime is 33230293. The next prime is 33230339. The reversal of 33230320 is 2303233.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×33230320² = 2208508334604800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 33230294 and 33230303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207610 + ... + 207769.

It is an arithmetic number, because the mean of its divisors is an integer number (3863034).

Almost surely, 2^33230320 is an apocalyptic number.

It is an amenable number.

33230320 is an abundant number, since it is smaller than the sum of its proper divisors (44030360).

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

33230320 is a wasteful number, since it uses less digits than its factorization.

33230320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415392 (or 415386 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 16.

The square root of 33230320 is about 5764.5745723340. The cubic root of 33230320 is about 321.4979251640.

Adding to 33230320 its reverse (2303233), we get a palindrome (35533553).

It can be divided in two parts, 3 and 3230320, that added together give a palindrome (3230323).

The spelling of 33230320 in words is "thirty-three million, two hundred thirty thousand, three hundred twenty".