2020001671 has 2 divisors, whose sum is σ = 2020001672. Its totient is φ = 2020001670.

The previous prime is 2020001603. The next prime is 2020001681. The reversal of 2020001671 is 1761000202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2020001671 - 2¹¹ = 2019999623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020001681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010000835 + 1010000836.

It is an arithmetic number, because the mean of its divisors is an integer number (1010000836).

Almost surely, 2^2020001671 is an apocalyptic number.

2020001671 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020001671 is an equidigital number, since it uses as much as digits as its factorization.

2020001671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 2020001671 is about 44944.4286981156. The cubic root of 2020001671 is about 1264.1072134313.

Adding to 2020001671 its reverse (1761000202), we get a palindrome (3781001873).

The spelling of 2020001671 in words is "two billion, twenty million, one thousand, six hundred seventy-one".