33300220 has 24 divisors (see below), whose sum is σ = 70300944. Its totient is φ = 13249536.

The previous prime is 33300193. The next prime is 33300221. The reversal of 33300220 is 2200333.

It is a super-2 number, since 2×33300220² = 2217809304096800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33300220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33300221) 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, 454 + ... + 8173.

It is an arithmetic number, because the mean of its divisors is an integer number (2929206).

Almost surely, 2^33300220 is an apocalyptic number.

It is an amenable number.

33300220 is an abundant number, since it is smaller than the sum of its proper divisors (37000724).

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

33300220 is a wasteful number, since it uses less digits than its factorization.

33300220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8829 (or 8827 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 13.

The square root of 33300220 is about 5770.6342805622. The cubic root of 33300220 is about 321.7231909879.

Adding to 33300220 its reverse (2200333), we get a palindrome (35500553).

The spelling of 33300220 in words is "thirty-three million, three hundred thousand, two hundred twenty".