20382383 has 12 divisors (see below), whose sum is σ = 24959160. Its totient is φ = 16550352.

The previous prime is 20382379. The next prime is 20382391. The reversal of 20382383 is 38328302.

It is not a de Polignac number, because 20382383 - 2² = 20382379 is a prime.

It is a super-3 number, since 3×20382383³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20382353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10016 + ... + 11877.

It is an arithmetic number, because the mean of its divisors is an integer number (2079930).

Almost surely, 2^20382383 is an apocalyptic number.

20382383 is a deficient number, since it is larger than the sum of its proper divisors (4576777).

20382383 is a wasteful number, since it uses less digits than its factorization.

20382383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21926 (or 21919 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 20382383 is about 4514.6852603476. The cubic root of 20382383 is about 273.1607643943.

The spelling of 20382383 in words is "twenty million, three hundred eighty-two thousand, three hundred eighty-three".