20117631226332 has 24 divisors (see below), whose sum is σ = 46951019926272. Its totient is φ = 6704465590000.

The previous prime is 20117631226327. The next prime is 20117631226393. The reversal of 20117631226332 is 23362213671102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176376294 + ... + 176490317.

It is an arithmetic number, because the mean of its divisors is an integer number (1956292496928).

Almost surely, 2^{20117631226332} is an apocalyptic number.

It is an amenable number.

20117631226332 is an abundant number, since it is smaller than the sum of its proper divisors (26833388699940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20117631226332 is a wasteful number, since it uses less digits than its factorization.

20117631226332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352871369 (or 352871367 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

Adding to 20117631226332 its reverse (23362213671102), we get a palindrome (43479844897434).

The spelling of 20117631226332 in words is "twenty trillion, one hundred seventeen billion, six hundred thirty-one million, two hundred twenty-six thousand, three hundred thirty-two".