20243320411 has 2 divisors, whose sum is σ = 20243320412. Its totient is φ = 20243320410.

The previous prime is 20243320387. The next prime is 20243320507. The reversal of 20243320411 is 11402334202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20243320411 - 2¹⁷ = 20243189339 is a prime.

It is not a weakly prime, because it can be changed into another prime (20243320711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10121660205 + 10121660206.

It is an arithmetic number, because the mean of its divisors is an integer number (10121660206).

Almost surely, 2^20243320411 is an apocalyptic number.

20243320411 is a deficient number, since it is larger than the sum of its proper divisors (1).

20243320411 is an equidigital number, since it uses as much as digits as its factorization.

20243320411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20243320411 its reverse (11402334202), we get a palindrome (31645654613).

The spelling of 20243320411 in words is "twenty billion, two hundred forty-three million, three hundred twenty thousand, four hundred eleven".