20317388342222 has 16 divisors (see below), whose sum is σ = 32089070572800. Its totient is φ = 9621330941880.

The previous prime is 20317388342221. The next prime is 20317388342401. The reversal of 20317388342222 is 22224388371302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20317388342221) 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, 74726822 + ... + 74998217.

It is an arithmetic number, because the mean of its divisors is an integer number (2005566910800).

Almost surely, 2^{20317388342222} is an apocalyptic number.

20317388342222 is a deficient number, since it is larger than the sum of its proper divisors (11771682230578).

20317388342222 is a wasteful number, since it uses less digits than its factorization.

20317388342222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149728631.

The product of its (nonzero) digits is 1548288, while the sum is 47.

The spelling of 20317388342222 in words is "twenty trillion, three hundred seventeen billion, three hundred eighty-eight million, three hundred forty-two thousand, two hundred twenty-two".