20520050312344 has 24 divisors (see below), whose sum is σ = 42290806172580. Its totient is φ = 9327295596080.

The previous prime is 20520050312341. The next prime is 20520050312347. The reversal of 20520050312344 is 44321305002502.

It is an interprime number because it is at equal distance from previous prime (20520050312341) and next prime (20520050312347).

It is a super-2 number, since 2×20520050312344² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20520050312341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10599198574 + ... + 10599200509.

Almost surely, 2^{20520050312344} is an apocalyptic number.

It is an amenable number.

20520050312344 is an abundant number, since it is smaller than the sum of its proper divisors (21770755860236).

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

20520050312344 is a wasteful number, since it uses less digits than its factorization.

20520050312344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21198399111 (or 21198399096 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 20520050312344 its reverse (44321305002502), we get a palindrome (64841355314846).

The spelling of 20520050312344 in words is "twenty trillion, five hundred twenty billion, fifty million, three hundred twelve thousand, three hundred forty-four".