32330220 has 96 divisors (see below), whose sum is σ = 98454720. Its totient is φ = 7879680.

The previous prime is 32330213. The next prime is 32330227. The reversal of 32330220 is 2203323.

It is an interprime number because it is at equal distance from previous prime (32330213) and next prime (32330227).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 32330220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32330227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141066 + ... + 141294.

It is an arithmetic number, because the mean of its divisors is an integer number (1025570).

Almost surely, 2^32330220 is an apocalyptic number.

32330220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32330220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49227360).

32330220 is an abundant number, since it is smaller than the sum of its proper divisors (66124500).

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

32330220 is a wasteful number, since it uses less digits than its factorization.

32330220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435 (or 433 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 32330220 is about 5685.9669362387. The cubic root of 32330220 is about 318.5685410857.

Adding to 32330220 its reverse (2203323), we get a palindrome (34533543).

The spelling of 32330220 in words is "thirty-two million, three hundred thirty thousand, two hundred twenty".