20385083 has 2 divisors, whose sum is σ = 20385084. Its totient is φ = 20385082.

The previous prime is 20385067. The next prime is 20385121. The reversal of 20385083 is 38058302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20385083 - 2⁴ = 20385067 is a prime.

It is not a weakly prime, because it can be changed into another prime (20385583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10192541 + 10192542.

It is an arithmetic number, because the mean of its divisors is an integer number (10192542).

Almost surely, 2^20385083 is an apocalyptic number.

20385083 is a deficient number, since it is larger than the sum of its proper divisors (1).

20385083 is an equidigital number, since it uses as much as digits as its factorization.

20385083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 20385083 is about 4514.9842746127. The cubic root of 20385083 is about 273.1728254881.

The spelling of 20385083 in words is "twenty million, three hundred eighty-five thousand, eighty-three".