20053317 has 8 divisors (see below), whose sum is σ = 26774496. Its totient is φ = 13350512.

The previous prime is 20053307. The next prime is 20053321. The reversal of 20053317 is 71335002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20053317 - 2¹⁰ = 20052293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20053293 and 20053302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20053307) 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, 1803 + ... + 6584.

It is an arithmetic number, because the mean of its divisors is an integer number (3346812).

Almost surely, 2^20053317 is an apocalyptic number.

It is an amenable number.

20053317 is a deficient number, since it is larger than the sum of its proper divisors (6721179).

20053317 is an equidigital number, since it uses as much as digits as its factorization.

20053317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9187.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 20053317 is about 4478.0930093065. The cubic root of 20053317 is about 271.6827553087.

Adding to 20053317 its reverse (71335002), we get a palindrome (91388319).

The spelling of 20053317 in words is "twenty million, fifty-three thousand, three hundred seventeen".