20832028 has 24 divisors (see below), whose sum is σ = 41814752. Its totient is φ = 8895744.

The previous prime is 20832023. The next prime is 20832047. The reversal of 20832028 is 82023802.

It is a junction number, because it is equal to n+sod(n) for n = 20831993 and 20832011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20832023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7576 + ... + 9952.

Almost surely, 2^20832028 is an apocalyptic number.

20832028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20832028 is an abundant number, since it is smaller than the sum of its proper divisors (20982724).

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

20832028 is a wasteful number, since it uses less digits than its factorization.

20832028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2701 (or 2699 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 20832028 is about 4564.2116515341. The cubic root of 20832028 is about 275.1548571336.

The spelling of 20832028 in words is "twenty million, eight hundred thirty-two thousand, twenty-eight".