20059049 has 2 divisors, whose sum is σ = 20059050. Its totient is φ = 20059048.

The previous prime is 20059009. The next prime is 20059093. The reversal of 20059049 is 94095002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16933225 + 3125824 = 4115^2 + 1768^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20059049 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20059009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10029524 + 10029525.

It is an arithmetic number, because the mean of its divisors is an integer number (10029525).

Almost surely, 2^20059049 is an apocalyptic number.

It is an amenable number.

20059049 is a deficient number, since it is larger than the sum of its proper divisors (1).

20059049 is an equidigital number, since it uses as much as digits as its factorization.

20059049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 20059049 is about 4478.7329681507. The cubic root of 20059049 is about 271.7086385944.

The spelling of 20059049 in words is "twenty million, fifty-nine thousand, forty-nine".