20336873 has 2 divisors, whose sum is σ = 20336874. Its totient is φ = 20336872.

The previous prime is 20336863. The next prime is 20336881. The reversal of 20336873 is 37863302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18731584 + 1605289 = 4328^2 + 1267^2 .

It is a cyclic number.

It is not a de Polignac number, because 20336873 - 2⁶ = 20336809 is a prime.

It is not a weakly prime, because it can be changed into another prime (20336843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10168436 + 10168437.

It is an arithmetic number, because the mean of its divisors is an integer number (10168437).

Almost surely, 2^20336873 is an apocalyptic number.

It is an amenable number.

20336873 is a deficient number, since it is larger than the sum of its proper divisors (1).

20336873 is an equidigital number, since it uses as much as digits as its factorization.

20336873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 20336873 is about 4509.6422252769. The cubic root of 20336873 is about 272.9573074791.

The spelling of 20336873 in words is "twenty million, three hundred thirty-six thousand, eight hundred seventy-three".