4021052205 has 32 divisors (see below), whose sum is σ = 6565109760. Its totient is φ = 2101170240.

The previous prime is 4021052171. The next prime is 4021052207. The reversal of 4021052205 is 5022501204.

It is a happy number.

It is not a de Polignac number, because 4021052205 - 2⁸ = 4021051949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021052207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142284 + ... + 168186.

It is an arithmetic number, because the mean of its divisors is an integer number (205159680).

Almost surely, 2^4021052205 is an apocalyptic number.

It is an amenable number.

4021052205 is a deficient number, since it is larger than the sum of its proper divisors (2544057555).

4021052205 is a wasteful number, since it uses less digits than its factorization.

4021052205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26121.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 4021052205 is about 63411.7670862435. The cubic root of 4021052205 is about 1590.1810382841.

Adding to 4021052205 its reverse (5022501204), we get a palindrome (9043553409).

The spelling of 4021052205 in words is "four billion, twenty-one million, fifty-two thousand, two hundred five".