20319382 has 8 divisors (see below), whose sum is σ = 30781152. Its totient is φ = 10059000.

The previous prime is 20319371. The next prime is 20319389. The reversal of 20319382 is 28391302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20319382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20319389) 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, 50094 + ... + 50497.

It is an arithmetic number, because the mean of its divisors is an integer number (3847644).

Almost surely, 2^20319382 is an apocalyptic number.

20319382 is a deficient number, since it is larger than the sum of its proper divisors (10461770).

20319382 is a wasteful number, since it uses less digits than its factorization.

20319382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100694.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 20319382 is about 4507.7025190223. The cubic root of 20319382 is about 272.8790315047.

The spelling of 20319382 in words is "twenty million, three hundred nineteen thousand, three hundred eighty-two".