20412113441 has 2 divisors, whose sum is σ = 20412113442. Its totient is φ = 20412113440.

The previous prime is 20412113233. The next prime is 20412113551. The reversal of 20412113441 is 14431121402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14043435025 + 6368678416 = 118505^2 + 79804^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20412113441 is a prime.

It is not a weakly prime, because it can be changed into another prime (20412110441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10206056720 + 10206056721.

It is an arithmetic number, because the mean of its divisors is an integer number (10206056721).

Almost surely, 2^20412113441 is an apocalyptic number.

It is an amenable number.

20412113441 is a deficient number, since it is larger than the sum of its proper divisors (1).

20412113441 is an equidigital number, since it uses as much as digits as its factorization.

20412113441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 20412113441 its reverse (14431121402), we get a palindrome (34843234843).

The spelling of 20412113441 in words is "twenty billion, four hundred twelve million, one hundred thirteen thousand, four hundred forty-one".