4205022420 has 48 divisors (see below), whose sum is σ = 12466657728. Its totient is φ = 1055377920.

The previous prime is 4205022413. The next prime is 4205022421. The reversal of 4205022420 is 242205024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4205022421) 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, 2060266 + ... + 2062305.

It is an arithmetic number, because the mean of its divisors is an integer number (259722036).

Almost surely, 2^4205022420 is an apocalyptic number.

It is an amenable number.

4205022420 is an abundant number, since it is smaller than the sum of its proper divisors (8261635308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4205022420 is a wasteful number, since it uses less digits than its factorization.

4205022420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4122600 (or 4122598 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 4205022420 is about 64846.1442184499. The cubic root of 4205022420 is about 1614.0715101852.

Adding to 4205022420 its reverse (242205024), we get a palindrome (4447227444).

The spelling of 4205022420 in words is "four billion, two hundred five million, twenty-two thousand, four hundred twenty".