20058641 has 2 divisors, whose sum is σ = 20058642. Its totient is φ = 20058640.

The previous prime is 20058637. The next prime is 20058679. The reversal of 20058641 is 14685002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10627600 + 9431041 = 3260^2 + 3071^2 .

It is a cyclic number.

It is not a de Polignac number, because 20058641 - 2² = 20058637 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20058641.

It is not a weakly prime, because it can be changed into another prime (20058611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10029320 + 10029321.

It is an arithmetic number, because the mean of its divisors is an integer number (10029321).

Almost surely, 2^20058641 is an apocalyptic number.

It is an amenable number.

20058641 is a deficient number, since it is larger than the sum of its proper divisors (1).

20058641 is an equidigital number, since it uses as much as digits as its factorization.

20058641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 20058641 is about 4478.6874193228. The cubic root of 20058641 is about 271.7067964021.

The spelling of 20058641 in words is "twenty million, fifty-eight thousand, six hundred forty-one".