20086471 has 2 divisors, whose sum is σ = 20086472. Its totient is φ = 20086470.

The previous prime is 20086457. The next prime is 20086489. The reversal of 20086471 is 17468002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20086471 - 2²¹ = 17989319 is a prime.

It is a super-3 number, since 3×20086471³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20086421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10043235 + 10043236.

It is an arithmetic number, because the mean of its divisors is an integer number (10043236).

Almost surely, 2^20086471 is an apocalyptic number.

20086471 is a deficient number, since it is larger than the sum of its proper divisors (1).

20086471 is an equidigital number, since it uses as much as digits as its factorization.

20086471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 20086471 is about 4481.7932794809. The cubic root of 20086471 is about 271.8323965656.

The spelling of 20086471 in words is "twenty million, eighty-six thousand, four hundred seventy-one".