Search a number
-
+
20302404329 is a prime number
BaseRepresentation
bin10010111010000111…
…100001101011101001
31221101220120000000002
4102322013201223221
5313034403414304
613154330552345
71316053406114
oct227207415351
957356500002
1020302404329
1186791a5959
123b272986b5
131bb7237bcc
14da852357b
157dc5a231e
hex4ba1e1ae9

20302404329 has 2 divisors, whose sum is σ = 20302404330. Its totient is φ = 20302404328.

The previous prime is 20302404259. The next prime is 20302404341. The reversal of 20302404329 is 92340420302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11847234025 + 8455170304 = 108845^2 + 91952^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20302404329 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (20302404389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10151202164 + 10151202165.

It is an arithmetic number, because the mean of its divisors is an integer number (10151202165).

Almost surely, 220302404329 is an apocalyptic number.

It is an amenable number.

20302404329 is a deficient number, since it is larger than the sum of its proper divisors (1).

20302404329 is an equidigital number, since it uses as much as digits as its factorization.

20302404329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 29.

The spelling of 20302404329 in words is "twenty billion, three hundred two million, four hundred four thousand, three hundred twenty-nine".