20323441 has 2 divisors, whose sum is σ = 20323442. Its totient is φ = 20323440.

The previous prime is 20323427. The next prime is 20323447. The reversal of 20323441 is 14432302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20250000 + 73441 = 4500^2 + 271^2 .

It is a cyclic number.

It is not a de Polignac number, because 20323441 - 2¹⁷ = 20192369 is a prime.

It is not a weakly prime, because it can be changed into another prime (20323447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10161720 + 10161721.

It is an arithmetic number, because the mean of its divisors is an integer number (10161721).

Almost surely, 2^20323441 is an apocalyptic number.

It is an amenable number.

20323441 is a deficient number, since it is larger than the sum of its proper divisors (1).

20323441 is an equidigital number, since it uses as much as digits as its factorization.

20323441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 20323441 is about 4508.1527258956. The cubic root of 20323441 is about 272.8972004012.

Adding to 20323441 its reverse (14432302), we get a palindrome (34755743).

The spelling of 20323441 in words is "twenty million, three hundred twenty-three thousand, four hundred forty-one".