9420508205 has 4 divisors (see below), whose sum is σ = 11304609852. Its totient is φ = 7536406560.

The previous prime is 9420508193. The next prime is 9420508211. The reversal of 9420508205 is 5028050249.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5028050249 = 359 ⋅14005711.

It can be written as a sum of positive squares in 2 ways, for example, as 2630253796 + 6790254409 = 51286^2 + 82403^2 .

It is not a de Polignac number, because 9420508205 - 2⁴ = 9420508189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 942050816 + ... + 942050825.

It is an arithmetic number, because the mean of its divisors is an integer number (2826152463).

Almost surely, 2^9420508205 is an apocalyptic number.

It is an amenable number.

9420508205 is a deficient number, since it is larger than the sum of its proper divisors (1884101647).

9420508205 is a wasteful number, since it uses less digits than its factorization.

9420508205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1884101646.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 9420508205 is about 97059.3025165543. The cubic root of 9420508205 is about 2111.9879892143.

The spelling of 9420508205 in words is "nine billion, four hundred twenty million, five hundred eight thousand, two hundred five".