20187059 has 2 divisors, whose sum is σ = 20187060. Its totient is φ = 20187058.

The previous prime is 20187043. The next prime is 20187071. The reversal of 20187059 is 95078102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20187059 - 2⁴ = 20187043 is a prime.

It is not a weakly prime, because it can be changed into another prime (20187259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10093529 + 10093530.

It is an arithmetic number, because the mean of its divisors is an integer number (10093530).

Almost surely, 2^20187059 is an apocalyptic number.

20187059 is a deficient number, since it is larger than the sum of its proper divisors (1).

20187059 is an equidigital number, since it uses as much as digits as its factorization.

20187059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 20187059 is about 4493.0011128421. The cubic root of 20187059 is about 272.2853973481.

The spelling of 20187059 in words is "twenty million, one hundred eighty-seven thousand, fifty-nine".