20117622027237 has 8 divisors (see below), whose sum is σ = 30655424041536. Its totient is φ = 11495784015552.

The previous prime is 20117622027203. The next prime is 20117622027301. The reversal of 20117622027237 is 73272022671102.

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

It is not a de Polignac number, because 20117622027237 - 2⁸ = 20117622026981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20117622029237) 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, 478991000628 + ... + 478991000669.

It is an arithmetic number, because the mean of its divisors is an integer number (3831928005192).

Almost surely, 2^{20117622027237} is an apocalyptic number.

It is an amenable number.

20117622027237 is a deficient number, since it is larger than the sum of its proper divisors (10537802014299).

20117622027237 is an equidigital number, since it uses as much as digits as its factorization.

20117622027237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957982001307.

The product of its (nonzero) digits is 197568, while the sum is 42.

Adding to 20117622027237 its reverse (73272022671102), we get a palindrome (93389644698339).

The spelling of 20117622027237 in words is "twenty trillion, one hundred seventeen billion, six hundred twenty-two million, twenty-seven thousand, two hundred thirty-seven".