20794359 has 4 divisors (see below), whose sum is σ = 27725816. Its totient is φ = 13862904.

The previous prime is 20794337. The next prime is 20794387. The reversal of 20794359 is 95349702.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20794359 - 2¹⁵ = 20761591 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 (20794309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3465724 + ... + 3465729.

It is an arithmetic number, because the mean of its divisors is an integer number (6931454).

Almost surely, 2^20794359 is an apocalyptic number.

20794359 is a deficient number, since it is larger than the sum of its proper divisors (6931457).

20794359 is an equidigital number, since it uses as much as digits as its factorization.

20794359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6931456.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 20794359 is about 4560.0832229248. The cubic root of 20794359 is about 274.9889097456.

The spelling of 20794359 in words is "twenty million, seven hundred ninety-four thousand, three hundred fifty-nine".