328632020 has 24 divisors (see below), whose sum is σ = 699850368. Its totient is φ = 129600800.

The previous prime is 328632013. The next prime is 328632043. The reversal of 328632020 is 20236823.

It is a happy number.

328632020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114296 + ... + 117135.

It is an arithmetic number, because the mean of its divisors is an integer number (29160432).

Almost surely, 2^328632020 is an apocalyptic number.

It is an amenable number.

328632020 is an abundant number, since it is smaller than the sum of its proper divisors (371218348).

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

328632020 is a wasteful number, since it uses less digits than its factorization.

328632020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231511 (or 231509 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 328632020 is about 18128.2106121923. The cubic root of 328632020 is about 690.0861196156.

Adding to 328632020 its reverse (20236823), we get a palindrome (348868843).

The spelling of 328632020 in words is "three hundred twenty-eight million, six hundred thirty-two thousand, twenty".