20795869 has 8 divisors (see below), whose sum is σ = 21063680. Its totient is φ = 20529936.

The previous prime is 20795851. The next prime is 20795891. The reversal of 20795869 is 96859702.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20795869 is a prime.

It is a super-2 number, since 2×20795869² = 864936334930322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20795849) 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, 47152 + ... + 47590.

It is an arithmetic number, because the mean of its divisors is an integer number (2632960).

Almost surely, 2^20795869 is an apocalyptic number.

It is an amenable number.

20795869 is a deficient number, since it is larger than the sum of its proper divisors (267811).

20795869 is a wasteful number, since it uses less digits than its factorization.

20795869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 20795869 is about 4560.2487870729. The cubic root of 20795869 is about 274.9955657687.

The spelling of 20795869 in words is "twenty million, seven hundred ninety-five thousand, eight hundred sixty-nine".