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20001022297 is a prime number
BaseRepresentation
bin10010101000001001…
…110110000101011001
31220121220110012120121
4102220021312011121
5311430230203142
613104403153241
71305433612234
oct225011660531
956556405517
1020001022297
1185340680a3
123a62375821
131b69975049
14d7a4b041b
157c0dbdc67
hex4a8276159

20001022297 has 2 divisors, whose sum is σ = 20001022298. Its totient is φ = 20001022296.

The previous prime is 20001022213. The next prime is 20001022469. The reversal of 20001022297 is 79222010002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18698101081 + 1302921216 = 136741^2 + 36096^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20001022297 is a prime.

It is not a weakly prime, because it can be changed into another prime (20001023297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000511148 + 10000511149.

It is an arithmetic number, because the mean of its divisors is an integer number (10000511149).

Almost surely, 220001022297 is an apocalyptic number.

It is an amenable number.

20001022297 is a deficient number, since it is larger than the sum of its proper divisors (1).

20001022297 is an equidigital number, since it uses as much as digits as its factorization.

20001022297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 20001022297 its reverse (79222010002), we get a palindrome (99223032299).

The spelling of 20001022297 in words is "twenty billion, one million, twenty-two thousand, two hundred ninety-seven".