4002020224 has 16 divisors (see below), whose sum is σ = 7972774920. Its totient is φ = 2001010048.

The previous prime is 4002020207. The next prime is 4002020251. The reversal of 4002020224 is 4220202004.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-3 number, since 3×4002020224³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 4002020198 and 4002020207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15632764 + ... + 15633019.

Almost surely, 2^4002020224 is an apocalyptic number.

It is an amenable number.

4002020224 is a deficient number, since it is larger than the sum of its proper divisors (3970754696).

4002020224 is an equidigital number, since it uses as much as digits as its factorization.

4002020224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31265797 (or 31265785 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 4002020224 is about 63261.5224603392. The cubic root of 4002020224 is about 1587.6682491320.

Adding to 4002020224 its reverse (4220202004), we get a palindrome (8222222228).

The spelling of 4002020224 in words is "four billion, two million, twenty thousand, two hundred twenty-four".