20411312352043 has 8 divisors (see below), whose sum is σ = 21231809005680. Its totient is φ = 19598592918240.

The previous prime is 20411312352001. The next prime is 20411312352073. The reversal of 20411312352043 is 34025321311402.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20411312352043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20411312351996 and 20411312352014.

It is not an unprimeable number, because it can be changed into a prime (20411312352073) 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, 1944299605 + ... + 1944310102.

It is an arithmetic number, because the mean of its divisors is an integer number (2653976125710).

Almost surely, 2^{20411312352043} is an apocalyptic number.

20411312352043 is a deficient number, since it is larger than the sum of its proper divisors (820496653637).

20411312352043 is a wasteful number, since it uses less digits than its factorization.

20411312352043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3888609917.

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

Adding to 20411312352043 its reverse (34025321311402), we get a palindrome (54436633663445).

The spelling of 20411312352043 in words is "twenty trillion, four hundred eleven billion, three hundred twelve million, three hundred fifty-two thousand, forty-three".