20614849 has 2 divisors, whose sum is σ = 20614850. Its totient is φ = 20614848.

The previous prime is 20614837. The next prime is 20614859. The reversal of 20614849 is 94841602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20611600 + 3249 = 4540^2 + 57^2 .

It is a cyclic number.

It is not a de Polignac number, because 20614849 - 2⁵ = 20614817 is a prime.

It is not a weakly prime, because it can be changed into another prime (20614819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10307424 + 10307425.

It is an arithmetic number, because the mean of its divisors is an integer number (10307425).

Almost surely, 2^20614849 is an apocalyptic number.

It is an amenable number.

20614849 is a deficient number, since it is larger than the sum of its proper divisors (1).

20614849 is an equidigital number, since it uses as much as digits as its factorization.

20614849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 20614849 is about 4540.3578052836. The cubic root of 20614849 is about 274.1953293122.

The spelling of 20614849 in words is "twenty million, six hundred fourteen thousand, eight hundred forty-nine".