20450083 has 2 divisors, whose sum is σ = 20450084. Its totient is φ = 20450082.

The previous prime is 20450071. The next prime is 20450107. The reversal of 20450083 is 38005402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20450083 - 2⁵ = 20450051 is a prime.

It is not a weakly prime, because it can be changed into another prime (20450033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10225041 + 10225042.

It is an arithmetic number, because the mean of its divisors is an integer number (10225042).

Almost surely, 2^20450083 is an apocalyptic number.

20450083 is a deficient number, since it is larger than the sum of its proper divisors (1).

20450083 is an equidigital number, since it uses as much as digits as its factorization.

20450083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 20450083 is about 4522.1767988437. The cubic root of 20450083 is about 273.4628642790.

Adding to 20450083 its reverse (38005402), we get a palindrome (58455485).

The spelling of 20450083 in words is "twenty million, four hundred fifty thousand, eighty-three".