4030202420 has 24 divisors (see below), whose sum is σ = 8669851848. Its totient is φ = 1572761600.

The previous prime is 4030202417. The next prime is 4030202431. The reversal of 4030202420 is 242020304.

It can be written as a sum of positive squares in 4 ways, for example, as 620109604 + 3410092816 = 24902^2 + 58396^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2456621 + ... + 2458260.

It is an arithmetic number, because the mean of its divisors is an integer number (361243827).

Almost surely, 2^4030202420 is an apocalyptic number.

It is an amenable number.

4030202420 is an abundant number, since it is smaller than the sum of its proper divisors (4639649428).

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

4030202420 is a wasteful number, since it uses less digits than its factorization.

4030202420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4914931 (or 4914929 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 4030202420 is about 63483.8752755375. The cubic root of 4030202420 is about 1591.3863177857.

Adding to 4030202420 its reverse (242020304), we get a palindrome (4272222724).

The spelling of 4030202420 in words is "four billion, thirty million, two hundred two thousand, four hundred twenty".