20233317 has 8 divisors (see below), whose sum is σ = 29053024. Its totient is φ = 12451248.

The previous prime is 20233313. The next prime is 20233319. The reversal of 20233317 is 71333202.

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

It is not a de Polignac number, because 20233317 - 2² = 20233313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20233293 and 20233302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20233313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259363 + ... + 259440.

It is an arithmetic number, because the mean of its divisors is an integer number (3631628).

Almost surely, 2^20233317 is an apocalyptic number.

It is an amenable number.

20233317 is a deficient number, since it is larger than the sum of its proper divisors (8819707).

20233317 is a wasteful number, since it uses less digits than its factorization.

20233317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518819.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 20233317 is about 4498.1459513893. The cubic root of 20233317 is about 272.4932164515.

Adding to 20233317 its reverse (71333202), we get a palindrome (91566519).

The spelling of 20233317 in words is "twenty million, two hundred thirty-three thousand, three hundred seventeen".