20375099 has 2 divisors, whose sum is σ = 20375100. Its totient is φ = 20375098.

The previous prime is 20375093. The next prime is 20375101. The reversal of 20375099 is 99057302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20375099 - 2²⁰ = 19326523 is a prime.

Together with 20375101, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20375093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10187549 + 10187550.

It is an arithmetic number, because the mean of its divisors is an integer number (10187550).

Almost surely, 2^20375099 is an apocalyptic number.

20375099 is a deficient number, since it is larger than the sum of its proper divisors (1).

20375099 is an equidigital number, since it uses as much as digits as its factorization.

20375099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 20375099 is about 4513.8784875094. The cubic root of 20375099 is about 273.1282209298.

The spelling of 20375099 in words is "twenty million, three hundred seventy-five thousand, ninety-nine".