20930836359 has 8 divisors (see below), whose sum is σ = 27915664000. Its totient is φ = 13949949816.

The previous prime is 20930836343. The next prime is 20930836369. The reversal of 20930836359 is 95363803902.

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

It is not a de Polignac number, because 20930836359 - 2⁴ = 20930836343 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 (20930836369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 972859 + ... + 994140.

It is an arithmetic number, because the mean of its divisors is an integer number (3489458000).

Almost surely, 2^20930836359 is an apocalyptic number.

20930836359 is a deficient number, since it is larger than the sum of its proper divisors (6984827641).

20930836359 is a wasteful number, since it uses less digits than its factorization.

20930836359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1970549.

The product of its (nonzero) digits is 1049760, while the sum is 48.

The spelling of 20930836359 in words is "twenty billion, nine hundred thirty million, eight hundred thirty-six thousand, three hundred fifty-nine".