20083399 has 32 divisors (see below), whose sum is σ = 25804800. Its totient is φ = 15240960.

The previous prime is 20083391. The next prime is 20083403. The reversal of 20083399 is 99338002.

It is not a de Polignac number, because 20083399 - 2³ = 20083391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20083391) 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 31 ways as a sum of consecutive naturals, for example, 158074 + ... + 158200.

It is an arithmetic number, because the mean of its divisors is an integer number (806400).

Almost surely, 2^20083399 is an apocalyptic number.

20083399 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

20083399 is a deficient number, since it is larger than the sum of its proper divisors (5721401).

20083399 is a wasteful number, since it uses less digits than its factorization.

20083399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 20083399 is about 4481.4505464191. The cubic root of 20083399 is about 271.8185379557.

The spelling of 20083399 in words is "twenty million, eighty-three thousand, three hundred ninety-nine".