20058149 has 2 divisors, whose sum is σ = 20058150. Its totient is φ = 20058148.

The previous prime is 20058133. The next prime is 20058151. The reversal of 20058149 is 94185002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10336225 + 9721924 = 3215^2 + 3118^2 .

It is a cyclic number.

It is not a de Polignac number, because 20058149 - 2⁴ = 20058133 is a prime.

It is a Sophie Germain prime.

Together with 20058151, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20058109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10029074 + 10029075.

It is an arithmetic number, because the mean of its divisors is an integer number (10029075).

Almost surely, 2^20058149 is an apocalyptic number.

It is an amenable number.

20058149 is a deficient number, since it is larger than the sum of its proper divisors (1).

20058149 is an equidigital number, since it uses as much as digits as its factorization.

20058149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 20058149 is about 4478.6324921788. The cubic root of 20058149 is about 271.7045749017.

The spelling of 20058149 in words is "twenty million, fifty-eight thousand, one hundred forty-nine".