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2020085671 is a prime number
BaseRepresentation
bin111100001101000…
…0000111110100111
312012210010222120211
41320122000332213
513114120220141
6532241240251
7101026305412
oct17032007647
95183128524
102020085671
1194731629a
12484633087
1326268a786
14152406b79
15bc52dd81
hex78680fa7

2020085671 has 2 divisors, whose sum is σ = 2020085672. Its totient is φ = 2020085670.

The previous prime is 2020085663. The next prime is 2020085729. The reversal of 2020085671 is 1765800202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2020085671 - 23 = 2020085663 is a prime.

It is a super-3 number, since 3×20200856713 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020085651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010042835 + 1010042836.

It is an arithmetic number, because the mean of its divisors is an integer number (1010042836).

Almost surely, 22020085671 is an apocalyptic number.

2020085671 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020085671 is an equidigital number, since it uses as much as digits as its factorization.

2020085671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 2020085671 is about 44945.3631757493. The cubic root of 2020085671 is about 1264.1247354521.

Adding to 2020085671 its reverse (1765800202), we get a palindrome (3785885873).

The spelling of 2020085671 in words is "two billion, twenty million, eighty-five thousand, six hundred seventy-one".