20835203 has 2 divisors, whose sum is σ = 20835204. Its totient is φ = 20835202.

The previous prime is 20835197. The next prime is 20835209. The reversal of 20835203 is 30253802.

It is a balanced prime because it is at equal distance from previous prime (20835197) and next prime (20835209).

It is a cyclic number.

It is not a de Polignac number, because 20835203 - 2⁴ = 20835187 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (20835209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10417601 + 10417602.

It is an arithmetic number, because the mean of its divisors is an integer number (10417602).

Almost surely, 2^20835203 is an apocalyptic number.

20835203 is a deficient number, since it is larger than the sum of its proper divisors (1).

20835203 is an equidigital number, since it uses as much as digits as its factorization.

20835203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 20835203 is about 4564.5594530031. The cubic root of 20835203 is about 275.1688351661.

The spelling of 20835203 in words is "twenty million, eight hundred thirty-five thousand, two hundred three".