20339006393 has 8 divisors (see below), whose sum is σ = 20490015840. Its totient is φ = 20188064160.

The previous prime is 20339006377. The next prime is 20339006453. The reversal of 20339006393 is 39360093302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20339006393 - 2⁴ = 20339006377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20339006593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 704621 + ... + 732917.

It is an arithmetic number, because the mean of its divisors is an integer number (2561251980).

Almost surely, 2^20339006393 is an apocalyptic number.

It is an amenable number.

20339006393 is a deficient number, since it is larger than the sum of its proper divisors (151009447).

20339006393 is a wasteful number, since it uses less digits than its factorization.

20339006393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33607.

The product of its (nonzero) digits is 78732, while the sum is 38.

Adding to 20339006393 its reverse (39360093302), we get a palindrome (59699099695).

The spelling of 20339006393 in words is "twenty billion, three hundred thirty-nine million, six thousand, three hundred ninety-three".