20384796 has 48 divisors (see below), whose sum is σ = 51811200. Its totient is φ = 6213312.

The previous prime is 20384789. The next prime is 20384809. The reversal of 20384796 is 69748302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5071 + ... + 8153.

It is an arithmetic number, because the mean of its divisors is an integer number (1079400).

Almost surely, 2^20384796 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20384796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25905600).

20384796 is an abundant number, since it is smaller than the sum of its proper divisors (31426404).

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

20384796 is a wasteful number, since it uses less digits than its factorization.

20384796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3138 (or 3136 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 20384796 is about 4514.9524914444. The cubic root of 20384796 is about 273.1715434891.

The spelling of 20384796 in words is "twenty million, three hundred eighty-four thousand, seven hundred ninety-six".