33023320 has 48 divisors (see below), whose sum is σ = 81683280. Its totient is φ = 12006720.

The previous prime is 33023267. The next prime is 33023329. The reversal of 33023320 is 2332033.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 33023294 and 33023303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33023329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1429 + ... + 8251.

It is an arithmetic number, because the mean of its divisors is an integer number (1701735).

Almost surely, 2^33023320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33023320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40841640).

33023320 is an abundant number, since it is smaller than the sum of its proper divisors (48659960).

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

33023320 is a wasteful number, since it uses less digits than its factorization.

33023320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6856 (or 6841 counting only the distinct ones).

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

The square root of 33023320 is about 5746.5920335448. The cubic root of 33023320 is about 320.8289704622.

Adding to 33023320 its reverse (2332033), we get a palindrome (35355353).

The spelling of 33023320 in words is "thirty-three million, twenty-three thousand, three hundred twenty".