Search a number
-
+
20132020873 is a prime number
BaseRepresentation
bin10010101111111101…
…100100001010001001
31220222000221121211201
4102233331210022021
5312212244131443
613125403024201
71311614232256
oct225775441211
956860847751
1020132020873
1185a1001288
123a9a20b061
131b8ab501b3
14d8da5042d
157cc64834d
hex4aff64289

20132020873 has 2 divisors, whose sum is σ = 20132020874. Its totient is φ = 20132020872.

The previous prime is 20132020861. The next prime is 20132020913. The reversal of 20132020873 is 37802023102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19767516409 + 364504464 = 140597^2 + 19092^2 .

It is a cyclic number.

It is not a de Polignac number, because 20132020873 - 221 = 20129923721 is a prime.

It is not a weakly prime, because it can be changed into another prime (20132020813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066010436 + 10066010437.

It is an arithmetic number, because the mean of its divisors is an integer number (10066010437).

Almost surely, 220132020873 is an apocalyptic number.

It is an amenable number.

20132020873 is a deficient number, since it is larger than the sum of its proper divisors (1).

20132020873 is an equidigital number, since it uses as much as digits as its factorization.

20132020873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 20132020873 its reverse (37802023102), we get a palindrome (57934043975).

The spelling of 20132020873 in words is "twenty billion, one hundred thirty-two million, twenty thousand, eight hundred seventy-three".