20483384 has 16 divisors (see below), whose sum is σ = 39058200. Its totient is φ = 10067872.

The previous prime is 20483381. The next prime is 20483401. The reversal of 20483384 is 48338402.

It is a self number, because there is not a number n which added to its sum of digits gives 20483384.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20483381) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 21227 + ... + 22170.

Almost surely, 2^20483384 is an apocalyptic number.

It is an amenable number.

20483384 is a deficient number, since it is larger than the sum of its proper divisors (18574816).

20483384 is a wasteful number, since it uses less digits than its factorization.

20483384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43462 (or 43458 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 20483384 is about 4525.8572668612. The cubic root of 20483384 is about 273.6112198014.

The spelling of 20483384 in words is "twenty million, four hundred eighty-three thousand, three hundred eighty-four".