4020650328 has 64 divisors (see below), whose sum is σ = 10366709760. Its totient is φ = 1298699136.

The previous prime is 4020650323. The next prime is 4020650339. The reversal of 4020650328 is 8230560204.

4020650328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 4020650295 and 4020650304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020650321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115726 + ... + 146402.

It is an arithmetic number, because the mean of its divisors is an integer number (161979840).

Almost surely, 2^4020650328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4020650328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5183354880).

4020650328 is an abundant number, since it is smaller than the sum of its proper divisors (6346059432).

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

4020650328 is a wasteful number, since it uses less digits than its factorization.

4020650328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30856 (or 30852 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 4020650328 is about 63408.5982182227. The cubic root of 4020650328 is about 1590.1280605688.

The spelling of 4020650328 in words is "four billion, twenty million, six hundred fifty thousand, three hundred twenty-eight".