20164283 has 2 divisors, whose sum is σ = 20164284. Its totient is φ = 20164282.

The previous prime is 20164273. The next prime is 20164321. The reversal of 20164283 is 38246102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20164283 - 2⁴ = 20164267 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (20164273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10082141 + 10082142.

It is an arithmetic number, because the mean of its divisors is an integer number (10082142).

Almost surely, 2^20164283 is an apocalyptic number.

20164283 is a deficient number, since it is larger than the sum of its proper divisors (1).

20164283 is an equidigital number, since it uses as much as digits as its factorization.

20164283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 20164283 is about 4490.4657887573. The cubic root of 20164283 is about 272.1829570343.

The spelling of 20164283 in words is "twenty million, one hundred sixty-four thousand, two hundred eighty-three".