20413222241 has 2 divisors, whose sum is σ = 20413222242. Its totient is φ = 20413222240.

The previous prime is 20413222217. The next prime is 20413222259. The reversal of 20413222241 is 14222231402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18692631841 + 1720590400 = 136721^2 + 41480^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20413222241 is a prime.

It is not a weakly prime, because it can be changed into another prime (20413222441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10206611120 + 10206611121.

It is an arithmetic number, because the mean of its divisors is an integer number (10206611121).

Almost surely, 2^20413222241 is an apocalyptic number.

It is an amenable number.

20413222241 is a deficient number, since it is larger than the sum of its proper divisors (1).

20413222241 is an equidigital number, since it uses as much as digits as its factorization.

20413222241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 20413222241 its reverse (14222231402), we get a palindrome (34635453643).

The spelling of 20413222241 in words is "twenty billion, four hundred thirteen million, two hundred twenty-two thousand, two hundred forty-one".