20332828 has 24 divisors (see below), whose sum is σ = 38414880. Its totient is φ = 9387840.

The previous prime is 20332817. The next prime is 20332847. The reversal of 20332828 is 82823302.

It is a junction number, because it is equal to n+sod(n) for n = 20332796 and 20332805.

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, 1143 + ... + 6478.

It is an arithmetic number, because the mean of its divisors is an integer number (1600620).

Almost surely, 2^20332828 is an apocalyptic number.

It is an amenable number.

20332828 is a deficient number, since it is larger than the sum of its proper divisors (18082052).

20332828 is a wasteful number, since it uses less digits than its factorization.

20332828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7677 (or 7675 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 20332828 is about 4509.1937195024. The cubic root of 20332828 is about 272.9392092277.

The spelling of 20332828 in words is "twenty million, three hundred thirty-two thousand, eight hundred twenty-eight".