20320433339 has 8 divisors (see below), whose sum is σ = 20365937568. Its totient is φ = 20274962560.

The previous prime is 20320433333. The next prime is 20320433389. The reversal of 20320433339 is 93333402302.

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 20320433339 - 2⁸ = 20320433083 is a prime.

It is a super-2 number, since 2×20320433339² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20320433333) 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, 1503299 + ... + 1516755.

It is an arithmetic number, because the mean of its divisors is an integer number (2545742196).

Almost surely, 2^20320433339 is an apocalyptic number.

20320433339 is a deficient number, since it is larger than the sum of its proper divisors (45504229).

20320433339 is a wasteful number, since it uses less digits than its factorization.

20320433339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16725.

The product of its (nonzero) digits is 34992, while the sum is 32.

The spelling of 20320433339 in words is "twenty billion, three hundred twenty million, four hundred thirty-three thousand, three hundred thirty-nine".