Search a number
-
+
202020331169 is a prime number
BaseRepresentation
bin1011110000100101011…
…0011001111010100001
3201022110010220010211202
42330021112121322201
511302214201044134
6232450140450545
720411152324226
oct2741126317241
9638403803752
10202020331169
1178749234988
12331a0249a55
1316086a645c7
149ac654d94d
1553c5a00d7e
hex2f09599ea1

202020331169 has 2 divisors, whose sum is σ = 202020331170. Its totient is φ = 202020331168.

The previous prime is 202020331159. The next prime is 202020331189. The reversal of 202020331169 is 961133020202.

202020331169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200626055569 + 1394275600 = 447913^2 + 37340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-202020331169 is a prime.

It is a super-2 number, since 2×2020203311692 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (202020331159) 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, 101010165584 + 101010165585.

It is an arithmetic number, because the mean of its divisors is an integer number (101010165585).

Almost surely, 2202020331169 is an apocalyptic number.

It is an amenable number.

202020331169 is a deficient number, since it is larger than the sum of its proper divisors (1).

202020331169 is an equidigital number, since it uses as much as digits as its factorization.

202020331169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 202020331169 in words is "two hundred two billion, twenty million, three hundred thirty-one thousand, one hundred sixty-nine".