20245113043 has 2 divisors, whose sum is σ = 20245113044. Its totient is φ = 20245113042.

The previous prime is 20245113041. The next prime is 20245113067. The reversal of 20245113043 is 34031154202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20245113043 - 2¹ = 20245113041 is a prime.

Together with 20245113041, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 20245112999 and 20245113017.

It is not a weakly prime, because it can be changed into another prime (20245113041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10122556521 + 10122556522.

It is an arithmetic number, because the mean of its divisors is an integer number (10122556522).

Almost surely, 2^20245113043 is an apocalyptic number.

20245113043 is a deficient number, since it is larger than the sum of its proper divisors (1).

20245113043 is an equidigital number, since it uses as much as digits as its factorization.

20245113043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 20245113043 its reverse (34031154202), we get a palindrome (54276267245).

The spelling of 20245113043 in words is "twenty billion, two hundred forty-five million, one hundred thirteen thousand, forty-three".