4020862320 has 120 divisors (see below), whose sum is σ = 13602294576. Its totient is φ = 1064377344.

The previous prime is 4020862319. The next prime is 4020862337. The reversal of 4020862320 is 232680204.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78259 + ... + 119021.

Almost surely, 2^4020862320 is an apocalyptic number.

4020862320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4020862320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6801147288).

4020862320 is an abundant number, since it is smaller than the sum of its proper divisors (9581432256).

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

4020862320 is a wasteful number, since it uses less digits than its factorization.

4020862320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40919 (or 40910 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 4020862320 is about 63410.2698306828. The cubic root of 4020862320 is about 1590.1560070017.

The spelling of 4020862320 in words is "four billion, twenty million, eight hundred sixty-two thousand, three hundred twenty".