20452383 has 12 divisors (see below), whose sum is σ = 33762768. Its totient is φ = 11687040.

The previous prime is 20452363. The next prime is 20452427. The reversal of 20452383 is 38325402.

It is not a de Polignac number, because 20452383 - 2¹² = 20448287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20452363) 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 11 ways as a sum of consecutive naturals, for example, 162258 + ... + 162383.

It is an arithmetic number, because the mean of its divisors is an integer number (2813564).

Almost surely, 2^20452383 is an apocalyptic number.

20452383 is a deficient number, since it is larger than the sum of its proper divisors (13310385).

20452383 is a wasteful number, since it uses less digits than its factorization.

20452383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324654 (or 324651 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 20452383 is about 4522.4310940024. The cubic root of 20452383 is about 273.4731159245.

Adding to 20452383 its reverse (38325402), we get a palindrome (58777785).

The spelling of 20452383 in words is "twenty million, four hundred fifty-two thousand, three hundred eighty-three".