20317622205030 has 128 divisors (see below), whose sum is σ = 49471219998720. Its totient is φ = 5339785973760.

The previous prime is 20317622205029. The next prime is 20317622205107. The reversal of 20317622205030 is 3050222671302.

It is a junction number, because it is equal to n+sod(n) for n = 20317622204982 and 20317622205000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2378272939 + ... + 2378281481.

It is an arithmetic number, because the mean of its divisors is an integer number (386493906240).

Almost surely, 2^{20317622205030} is an apocalyptic number.

20317622205030 is an abundant number, since it is smaller than the sum of its proper divisors (29153597793690).

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

20317622205030 is a wasteful number, since it uses less digits than its factorization.

20317622205030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12246.

The product of its (nonzero) digits is 30240, while the sum is 33.

Adding to 20317622205030 its reverse (3050222671302), we get a palindrome (23367844876332).

The spelling of 20317622205030 in words is "twenty trillion, three hundred seventeen billion, six hundred twenty-two million, two hundred five thousand, thirty".