20313143422522 has 8 divisors (see below), whose sum is σ = 30470965349076. Its totient is φ = 10156154972832.

The previous prime is 20313143422511. The next prime is 20313143422531. The reversal of 20313143422522 is 22522434131302.

It can be written as a sum of positive squares in 2 ways, for example, as 19364391449001 + 948751973521 = 4400499^2 + 974039^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 208308283 + ... + 208405774.

Almost surely, 2^{20313143422522} is an apocalyptic number.

20313143422522 is a deficient number, since it is larger than the sum of its proper divisors (10157821926554).

20313143422522 is a wasteful number, since it uses less digits than its factorization.

20313143422522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416738432.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 20313143422522 its reverse (22522434131302), we get a palindrome (42835577553824).

The spelling of 20313143422522 in words is "twenty trillion, three hundred thirteen billion, one hundred forty-three million, four hundred twenty-two thousand, five hundred twenty-two".