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20000201017 is a prime number
BaseRepresentation
bin10010101000000110…
…101101100100111001
31220121211220110222211
4102220012231210321
5311430022413032
613104333415121
71305423621646
oct225006554471
956554813884
1020000201017
118533657055
123a6203a4a1
131b69748294
14d7a338dcd
157c0caa747
hex4a81ad939

20000201017 has 2 divisors, whose sum is σ = 20000201018. Its totient is φ = 20000201016.

The previous prime is 20000201009. The next prime is 20000201051. The reversal of 20000201017 is 71010200002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13086444816 + 6913756201 = 114396^2 + 83149^2 .

It is a cyclic number.

It is not a de Polignac number, because 20000201017 - 23 = 20000201009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20000200988 and 20000201006.

It is not a weakly prime, because it can be changed into another prime (20000208017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000100508 + 10000100509.

It is an arithmetic number, because the mean of its divisors is an integer number (10000100509).

Almost surely, 220000201017 is an apocalyptic number.

It is an amenable number.

20000201017 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000201017 is an equidigital number, since it uses as much as digits as its factorization.

20000201017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 13.

Adding to 20000201017 its reverse (71010200002), we get a palindrome (91010401019).

The spelling of 20000201017 in words is "twenty billion, two hundred one thousand, seventeen".