20834328 has 32 divisors (see below), whose sum is σ = 52718400. Its totient is φ = 6860448.

The previous prime is 20834327. The next prime is 20834399. The reversal of 20834328 is 82343802.

It is a junction number, because it is equal to n+sod(n) for n = 20834295 and 20834304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20834321) 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, 3238 + ... + 7221.

It is an arithmetic number, because the mean of its divisors is an integer number (1647450).

Almost surely, 2^20834328 is an apocalyptic number.

It is an amenable number.

20834328 is an abundant number, since it is smaller than the sum of its proper divisors (31884072).

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

20834328 is a wasteful number, since it uses less digits than its factorization.

20834328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10551 (or 10547 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 20834328 is about 4564.4636048500. The cubic root of 20834328 is about 275.1649830942.

The spelling of 20834328 in words is "twenty million, eight hundred thirty-four thousand, three hundred twenty-eight".