Search a number
-
+
200020020281 is a prime number
BaseRepresentation
bin1011101001001000011…
…1110100110000111001
3201010021201221211011022
42322102013310300321
511234120111122111
6231515443112225
720310453056114
oct2722207646071
9633251854138
10200020020281
11779120a5794
1232922372675
1315b2850b8b3
149976a1357b
15530a0cb2db
hex2e921f4c39

200020020281 has 2 divisors, whose sum is σ = 200020020282. Its totient is φ = 200020020280.

The previous prime is 200020020271. The next prime is 200020020287. The reversal of 200020020281 is 182020020002.

200020020281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199491756025 + 528264256 = 446645^2 + 22984^2 .

It is a cyclic number.

It is not a de Polignac number, because 200020020281 - 218 = 200019758137 is a prime.

It is a super-2 number, since 2×2000200202812 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200020020287) 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, 100010010140 + 100010010141.

It is an arithmetic number, because the mean of its divisors is an integer number (100010010141).

Almost surely, 2200020020281 is an apocalyptic number.

It is an amenable number.

200020020281 is a deficient number, since it is larger than the sum of its proper divisors (1).

200020020281 is an equidigital number, since it uses as much as digits as its factorization.

200020020281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 200020020281 its reverse (182020020002), we get a palindrome (382040040283).

The spelling of 200020020281 in words is "two hundred billion, twenty million, twenty thousand, two hundred eighty-one".