33320230 has 16 divisors (see below), whose sum is σ = 60077664. Its totient is φ = 13305600.

The previous prime is 33320219. The next prime is 33320233. The reversal of 33320230 is 3202333.

It is a happy number.

It is a super-2 number, since 2×33320230² = 2220475454505800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33320233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4255 + ... + 9205.

It is an arithmetic number, because the mean of its divisors is an integer number (3754854).

Almost surely, 2^33320230 is an apocalyptic number.

33320230 is a deficient number, since it is larger than the sum of its proper divisors (26757434).

33320230 is a wasteful number, since it uses less digits than its factorization.

33320230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5631.

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

The square root of 33320230 is about 5772.3677983995. The cubic root of 33320230 is about 321.7876189108.

Adding to 33320230 its reverse (3202333), we get a palindrome (36522563).

It can be divided in two parts, 3 and 3320230, that added together give a palindrome (3320233).

The spelling of 33320230 in words is "thirty-three million, three hundred twenty thousand, two hundred thirty".