20338099 has 2 divisors, whose sum is σ = 20338100. Its totient is φ = 20338098.

The previous prime is 20338081. The next prime is 20338111. The reversal of 20338099 is 99083302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20338099 - 2⁷ = 20337971 is a prime.

It is not a weakly prime, because it can be changed into another prime (20332099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10169049 + 10169050.

It is an arithmetic number, because the mean of its divisors is an integer number (10169050).

Almost surely, 2^20338099 is an apocalyptic number.

20338099 is a deficient number, since it is larger than the sum of its proper divisors (1).

20338099 is an equidigital number, since it uses as much as digits as its factorization.

20338099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 20338099 is about 4509.7781541890. The cubic root of 20338099 is about 272.9627924084.

The spelling of 20338099 in words is "twenty million, three hundred thirty-eight thousand, ninety-nine".