20382371 has 8 divisors (see below), whose sum is σ = 22108464. Its totient is φ = 18714880.

The previous prime is 20382367. The next prime is 20382379. The reversal of 20382371 is 17328302.

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

It is a cyclic number.

It is not a de Polignac number, because 20382371 - 2² = 20382367 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20382371.

It is not an unprimeable number, because it can be changed into a prime (20382379) 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 7 ways as a sum of consecutive naturals, for example, 13925 + ... + 15318.

It is an arithmetic number, because the mean of its divisors is an integer number (2763558).

Almost surely, 2^20382371 is an apocalyptic number.

20382371 is a deficient number, since it is larger than the sum of its proper divisors (1726093).

20382371 is a wasteful number, since it uses less digits than its factorization.

20382371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29301.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 20382371 is about 4514.6839313511. The cubic root of 20382371 is about 273.1607107871.

The spelling of 20382371 in words is "twenty million, three hundred eighty-two thousand, three hundred seventy-one".