4021002002 has 24 divisors (see below), whose sum is σ = 6508588800. Its totient is φ = 1861037640.

The previous prime is 4021001983. The next prime is 4021002019. The reversal of 4021002002 is 2002001204.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28502 + ... + 94097.

It is an arithmetic number, because the mean of its divisors is an integer number (271191200).

Almost surely, 2^4021002002 is an apocalyptic number.

4021002002 is a deficient number, since it is larger than the sum of its proper divisors (2487586798).

4021002002 is a wasteful number, since it uses less digits than its factorization.

4021002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122678 (or 122655 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 4021002002 is about 63411.3712357650. The cubic root of 4021002002 is about 1590.1744204316.

Adding to 4021002002 its reverse (2002001204), we get a palindrome (6023003206).

The spelling of 4021002002 in words is "four billion, twenty-one million, two thousand, two".