4021125320 has 32 divisors (see below), whose sum is σ = 9339390720. Its totient is φ = 1556564160.

The previous prime is 4021125313. The next prime is 4021125337. The reversal of 4021125320 is 235211204.

4021125320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4021125292 and 4021125301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1620182 + ... + 1622661.

It is an arithmetic number, because the mean of its divisors is an integer number (291855960).

Almost surely, 2^4021125320 is an apocalyptic number.

4021125320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4021125320 is an abundant number, since it is smaller than the sum of its proper divisors (5318265400).

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

4021125320 is a wasteful number, since it uses less digits than its factorization.

4021125320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3242885 (or 3242881 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 4021125320 is about 63412.3435933415. The cubic root of 4021125320 is about 1590.1906763403.

Adding to 4021125320 its reverse (235211204), we get a palindrome (4256336524).

The spelling of 4021125320 in words is "four billion, twenty-one million, one hundred twenty-five thousand, three hundred twenty".