20158283 has 2 divisors, whose sum is σ = 20158284. Its totient is φ = 20158282.

The previous prime is 20158261. The next prime is 20158289. The reversal of 20158283 is 38285102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20158283 - 2¹⁰ = 20157259 is a prime.

It is not a weakly prime, because it can be changed into another prime (20158289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10079141 + 10079142.

It is an arithmetic number, because the mean of its divisors is an integer number (10079142).

Almost surely, 2^20158283 is an apocalyptic number.

20158283 is a deficient number, since it is larger than the sum of its proper divisors (1).

20158283 is an equidigital number, since it uses as much as digits as its factorization.

20158283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 20158283 is about 4489.7976569106. The cubic root of 20158283 is about 272.1559578142.

The spelling of 20158283 in words is "twenty million, one hundred fifty-eight thousand, two hundred eighty-three".