20313122206522 has 8 divisors (see below), whose sum is σ = 31452576319872. Its totient is φ = 9828930099900.

The previous prime is 20313122206513. The next prime is 20313122206529. The reversal of 20313122206522 is 22560222131302.

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

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (20313122206529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163815501604 + ... + 163815501727.

It is an arithmetic number, because the mean of its divisors is an integer number (3931572039984).

Almost surely, 2^{20313122206522} is an apocalyptic number.

20313122206522 is a deficient number, since it is larger than the sum of its proper divisors (11139454113350).

20313122206522 is a wasteful number, since it uses less digits than its factorization.

20313122206522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327631003364.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 20313122206522 its reverse (22560222131302), we get a palindrome (42873344337824).

The spelling of 20313122206522 in words is "twenty trillion, three hundred thirteen billion, one hundred twenty-two million, two hundred six thousand, five hundred twenty-two".