20795313 has 16 divisors (see below), whose sum is σ = 34569216. Its totient is φ = 10802640.

The previous prime is 20795311. The next prime is 20795339. The reversal of 20795313 is 31359702.

It is not a de Polignac number, because 20795313 - 2¹ = 20795311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20795311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44781 + ... + 45242.

It is an arithmetic number, because the mean of its divisors is an integer number (2160576).

Almost surely, 2^20795313 is an apocalyptic number.

It is an amenable number.

20795313 is a deficient number, since it is larger than the sum of its proper divisors (13773903).

20795313 is a wasteful number, since it uses less digits than its factorization.

20795313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90044.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 20795313 is about 4560.1878250791. The cubic root of 20795313 is about 274.9931149791.

The spelling of 20795313 in words is "twenty million, seven hundred ninety-five thousand, three hundred thirteen".