20164003 has 2 divisors, whose sum is σ = 20164004. Its totient is φ = 20164002.

The previous prime is 20163991. The next prime is 20164013. The reversal of 20164003 is 30046102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20164003 - 2⁹ = 20163491 is a prime.

It is not a weakly prime, because it can be changed into another prime (20164013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10082001 + 10082002.

It is an arithmetic number, because the mean of its divisors is an integer number (10082002).

Almost surely, 2^20164003 is an apocalyptic number.

20164003 is a deficient number, since it is larger than the sum of its proper divisors (1).

20164003 is an equidigital number, since it uses as much as digits as its factorization.

20164003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 20164003 is about 4490.4346114825. The cubic root of 20164003 is about 272.1816971899.

The spelling of 20164003 in words is "twenty million, one hundred sixty-four thousand, three".