4045220205 has 48 divisors (see below), whose sum is σ = 7122441984. Its totient is φ = 1948913280.

The previous prime is 4045220203. The next prime is 4045220233. The reversal of 4045220205 is 5020225404.

It is a happy number.

4045220205 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4045220205 - 2¹ = 4045220203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4045220203) 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 47 ways as a sum of consecutive naturals, for example, 426060 + ... + 435450.

It is an arithmetic number, because the mean of its divisors is an integer number (148384208).

Almost surely, 2^4045220205 is an apocalyptic number.

It is an amenable number.

4045220205 is a deficient number, since it is larger than the sum of its proper divisors (3077221779).

4045220205 is a wasteful number, since it uses less digits than its factorization.

4045220205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9506 (or 9459 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 4045220205 is about 63602.0456038955. The cubic root of 4045220205 is about 1593.3605340686.

Adding to 4045220205 its reverse (5020225404), we get a palindrome (9065445609).

The spelling of 4045220205 in words is "four billion, forty-five million, two hundred twenty thousand, two hundred five".