20380460083 has 16 divisors (see below), whose sum is σ = 20822038336. Its totient is φ = 19942640640.

The previous prime is 20380460077. The next prime is 20380460137. The reversal of 20380460083 is 38006408302.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20380460083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20380460003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15712891 + ... + 15714187.

It is an arithmetic number, because the mean of its divisors is an integer number (1301377396).

Almost surely, 2^20380460083 is an apocalyptic number.

20380460083 is a deficient number, since it is larger than the sum of its proper divisors (441578253).

20380460083 is a wasteful number, since it uses less digits than its factorization.

20380460083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494.

The product of its (nonzero) digits is 27648, while the sum is 34.

Adding to 20380460083 its reverse (38006408302), we get a palindrome (58386868385).

The spelling of 20380460083 in words is "twenty billion, three hundred eighty million, four hundred sixty thousand, eighty-three".