20083771 has 2 divisors, whose sum is σ = 20083772. Its totient is φ = 20083770.

The previous prime is 20083769. The next prime is 20083787. The reversal of 20083771 is 17738002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20083771 - 2¹ = 20083769 is a prime.

Together with 20083769, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20083751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10041885 + 10041886.

It is an arithmetic number, because the mean of its divisors is an integer number (10041886).

Almost surely, 2^20083771 is an apocalyptic number.

20083771 is a deficient number, since it is larger than the sum of its proper divisors (1).

20083771 is an equidigital number, since it uses as much as digits as its factorization.

20083771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 20083771 is about 4481.4920506456. The cubic root of 20083771 is about 271.8202162219.

The spelling of 20083771 in words is "twenty million, eighty-three thousand, seven hundred seventy-one".