20799383 has 16 divisors (see below), whose sum is σ = 23846400. Its totient is φ = 17957280.

The previous prime is 20799377. The next prime is 20799391. The reversal of 20799383 is 38399702.

It is not a de Polignac number, because 20799383 - 2⁴ = 20799367 is a prime.

It is a super-3 number, since 3×20799383³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 20799383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20799323) by changing a digit.

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, 57758 + ... + 58116.

It is an arithmetic number, because the mean of its divisors is an integer number (1490400).

Almost surely, 2^20799383 is an apocalyptic number.

20799383 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20799383 is a deficient number, since it is larger than the sum of its proper divisors (3047017).

20799383 is a wasteful number, since it uses less digits than its factorization.

20799383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 20799383 is about 4560.6340567952. The cubic root of 20799383 is about 275.0110541011.

The spelling of 20799383 in words is "twenty million, seven hundred ninety-nine thousand, three hundred eighty-three".