20339683 has 16 divisors (see below), whose sum is σ = 25292736. Its totient is φ = 15926400.

The previous prime is 20339681. The next prime is 20339717. The reversal of 20339683 is 38693302.

It is not a de Polignac number, because 20339683 - 2¹ = 20339681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20339681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8085 + ... + 10297.

It is an arithmetic number, because the mean of its divisors is an integer number (1580796).

Almost surely, 2^20339683 is an apocalyptic number.

20339683 is a deficient number, since it is larger than the sum of its proper divisors (4953053).

20339683 is a wasteful number, since it uses less digits than its factorization.

20339683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2334.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 20339683 is about 4509.9537691644. The cubic root of 20339683 is about 272.9698786466.

The spelling of 20339683 in words is "twenty million, three hundred thirty-nine thousand, six hundred eighty-three".