20348382 has 32 divisors (see below), whose sum is σ = 42011424. Its totient is φ = 6566400.

The previous prime is 20348359. The next prime is 20348429. The reversal of 20348382 is 28384302.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44298 + ... + 44754.

It is an arithmetic number, because the mean of its divisors is an integer number (1312857).

Almost surely, 2^20348382 is an apocalyptic number.

20348382 is an abundant number, since it is smaller than the sum of its proper divisors (21663042).

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

20348382 is a wasteful number, since it uses less digits than its factorization.

20348382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684.

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

The square root of 20348382 is about 4510.9180883718. The cubic root of 20348382 is about 273.0087882424.

The spelling of 20348382 in words is "twenty million, three hundred forty-eight thousand, three hundred eighty-two".