20317126 has 8 divisors (see below), whose sum is σ = 31050864. Its totient is φ = 9966840.

The previous prime is 20317093. The next prime is 20317127. The reversal of 20317126 is 62171302.

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

It is a pancake number, because a pancake can be divided into 20317126 parts by 6374 straight cuts.

It is a junction number, because it is equal to n+sod(n) for n = 20317097 and 20317106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20317127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95730 + ... + 95941.

It is an arithmetic number, because the mean of its divisors is an integer number (3881358).

Almost surely, 2^20317126 is an apocalyptic number.

20317126 is a deficient number, since it is larger than the sum of its proper divisors (10733738).

20317126 is a wasteful number, since it uses less digits than its factorization.

20317126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191726.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 20317126 is about 4507.4522737351. The cubic root of 20317126 is about 272.8689321509.

Adding to 20317126 its reverse (62171302), we get a palindrome (82488428).

The spelling of 20317126 in words is "twenty million, three hundred seventeen thousand, one hundred twenty-six".