20830457359 has 8 divisors (see below), whose sum is σ = 21930262640. Its totient is φ = 19730998656.

The previous prime is 20830457303. The next prime is 20830457393. The reversal of 20830457359 is 95375403802.

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 20830457359 - 2⁷ = 20830457231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20830557359) 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, 41617 + ... + 208309.

It is an arithmetic number, because the mean of its divisors is an integer number (2741282830).

Almost surely, 2^20830457359 is an apocalyptic number.

20830457359 is a deficient number, since it is larger than the sum of its proper divisors (1099805281).

20830457359 is a wasteful number, since it uses less digits than its factorization.

20830457359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173289.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 20830457359 in words is "twenty billion, eight hundred thirty million, four hundred fifty-seven thousand, three hundred fifty-nine".