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2020200317 is a prime number
BaseRepresentation
bin111100001101001…
…1100111101111101
312012210100210211222
41320122130331331
513114132402232
6532243523125
7101030263562
oct17032347575
95183323758
102020200317
11947394443
124846894a5
132626caa05
14152436869
15bc552d12
hex7869cf7d

2020200317 has 2 divisors, whose sum is σ = 2020200318. Its totient is φ = 2020200316.

The previous prime is 2020200307. The next prime is 2020200323. The reversal of 2020200317 is 7130020202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1795979641 + 224220676 = 42379^2 + 14974^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2020200317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2020200295 and 2020200304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020200307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010100158 + 1010100159.

It is an arithmetic number, because the mean of its divisors is an integer number (1010100159).

Almost surely, 22020200317 is an apocalyptic number.

It is an amenable number.

2020200317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020200317 is an equidigital number, since it uses as much as digits as its factorization.

2020200317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 2020200317 is about 44946.6385506191. The cubic root of 2020200317 is about 1264.1486493063.

Adding to 2020200317 its reverse (7130020202), we get a palindrome (9150220519).

The spelling of 2020200317 in words is "two billion, twenty million, two hundred thousand, three hundred seventeen".