20192071 has 2 divisors, whose sum is σ = 20192072. Its totient is φ = 20192070.

The previous prime is 20192027. The next prime is 20192087. The reversal of 20192071 is 17029102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20192071 - 2⁹ = 20191559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20192171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10096035 + 10096036.

It is an arithmetic number, because the mean of its divisors is an integer number (10096036).

Almost surely, 2^20192071 is an apocalyptic number.

20192071 is a deficient number, since it is larger than the sum of its proper divisors (1).

20192071 is an equidigital number, since it uses as much as digits as its factorization.

20192071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 20192071 is about 4493.5588345987. The cubic root of 20192071 is about 272.3079296296.

The spelling of 20192071 in words is "twenty million, one hundred ninety-two thousand, seventy-one".