20411343234320 has 40 divisors (see below), whose sum is σ = 49519693590336. Its totient is φ = 7809557410688.

The previous prime is 20411343234319. The next prime is 20411343234323. The reversal of 20411343234320 is 2343234311402.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (20411343234323) 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, 5546558822 + ... + 5546562501.

Almost surely, 2^{20411343234320} is an apocalyptic number.

20411343234320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20411343234320 is an abundant number, since it is smaller than the sum of its proper divisors (29108350356016).

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

20411343234320 is a wasteful number, since it uses less digits than its factorization.

20411343234320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11093121359 (or 11093121353 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 20411343234320 its reverse (2343234311402), we get a palindrome (22754577545722).

The spelling of 20411343234320 in words is "twenty trillion, four hundred eleven billion, three hundred forty-three million, two hundred thirty-four thousand, three hundred twenty".