20052317 has 4 divisors (see below), whose sum is σ = 20334816. Its totient is φ = 19769820.

The previous prime is 20052293. The next prime is 20052337. The reversal of 20052317 is 71325002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20052317 - 2¹⁰ = 20051293 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 (20052337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141143 + ... + 141284.

It is an arithmetic number, because the mean of its divisors is an integer number (5083704).

Almost surely, 2^20052317 is an apocalyptic number.

It is an amenable number.

20052317 is a deficient number, since it is larger than the sum of its proper divisors (282499).

20052317 is an equidigital number, since it uses as much as digits as its factorization.

20052317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282498.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 20052317 is about 4477.9813532439. The cubic root of 20052317 is about 271.6782392267.

Adding to 20052317 its reverse (71325002), we get a palindrome (91377319).

The spelling of 20052317 in words is "twenty million, fifty-two thousand, three hundred seventeen".