20328324 has 12 divisors (see below), whose sum is σ = 47432784. Its totient is φ = 6776104.

The previous prime is 20328317. The next prime is 20328331. The reversal of 20328324 is 42382302.

It is an interprime number because it is at equal distance from previous prime (20328317) and next prime (20328331).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 20328294 and 20328303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 847002 + ... + 847025.

It is an arithmetic number, because the mean of its divisors is an integer number (3952732).

Almost surely, 2^20328324 is an apocalyptic number.

It is an amenable number.

20328324 is an abundant number, since it is smaller than the sum of its proper divisors (27104460).

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

20328324 is a wasteful number, since it uses less digits than its factorization.

20328324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694034 (or 1694032 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 20328324 is about 4508.6942677454. The cubic root of 20328324 is about 272.9190544812.

The spelling of 20328324 in words is "twenty million, three hundred twenty-eight thousand, three hundred twenty-four".