Search a number
-
+
20314203641 is a prime number
BaseRepresentation
bin10010111010110100…
…100010010111111001
31221102201202110121122
4102322310202113321
5313100414004031
613155431515025
71316255611334
oct227264422771
957381673548
1020314203641
118684924956
123b2b228a75
131bb9809754
14da9d1561b
157dd63347b
hex4bad225f9

20314203641 has 2 divisors, whose sum is σ = 20314203642. Its totient is φ = 20314203640.

The previous prime is 20314203599. The next prime is 20314203643. The reversal of 20314203641 is 14630241302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16322617600 + 3991586041 = 127760^2 + 63179^2 .

It is a cyclic number.

It is not a de Polignac number, because 20314203641 - 218 = 20313941497 is a prime.

Together with 20314203643, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20314203641.

It is not a weakly prime, because it can be changed into another prime (20314203643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10157101820 + 10157101821.

It is an arithmetic number, because the mean of its divisors is an integer number (10157101821).

Almost surely, 220314203641 is an apocalyptic number.

It is an amenable number.

20314203641 is a deficient number, since it is larger than the sum of its proper divisors (1).

20314203641 is an equidigital number, since it uses as much as digits as its factorization.

20314203641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 20314203641 its reverse (14630241302), we get a palindrome (34944444943).

The spelling of 20314203641 in words is "twenty billion, three hundred fourteen million, two hundred three thousand, six hundred forty-one".