20083493 has 2 divisors, whose sum is σ = 20083494. Its totient is φ = 20083492.

The previous prime is 20083487. The next prime is 20083499. The reversal of 20083493 is 39438002.

It is a balanced prime because it is at equal distance from previous prime (20083487) and next prime (20083499).

It can be written as a sum of positive squares in only one way, i.e., 17960644 + 2122849 = 4238^2 + 1457^2 .

It is a cyclic number.

It is not a de Polignac number, because 20083493 - 2¹⁸ = 19821349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20083499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10041746 + 10041747.

It is an arithmetic number, because the mean of its divisors is an integer number (10041747).

Almost surely, 2^20083493 is an apocalyptic number.

It is an amenable number.

20083493 is a deficient number, since it is larger than the sum of its proper divisors (1).

20083493 is an equidigital number, since it uses as much as digits as its factorization.

20083493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 20083493 is about 4481.4610340825. The cubic root of 20083493 is about 271.8189620357.

The spelling of 20083493 in words is "twenty million, eighty-three thousand, four hundred ninety-three".