4024002020 has 72 divisors (see below), whose sum is σ = 8980066368. Its totient is φ = 1514376000.

The previous prime is 4024001953. The next prime is 4024002079. The reversal of 4024002020 is 202004204.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4024001986 and 4024002004.

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, 1088375 + ... + 1092065.

It is an arithmetic number, because the mean of its divisors is an integer number (124723144).

Almost surely, 2^4024002020 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 4024002020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4490033184).

4024002020 is an abundant number, since it is smaller than the sum of its proper divisors (4956064348).

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

4024002020 is a wasteful number, since it uses less digits than its factorization.

4024002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3889 (or 3868 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 4024002020 is about 63435.0220304210. The cubic root of 4024002020 is about 1590.5697916979.

Adding to 4024002020 its reverse (202004204), we get a palindrome (4226006224).

The spelling of 4024002020 in words is "four billion, twenty-four million, two thousand, twenty".