4020002 has 16 divisors (see below), whose sum is σ = 6962112. Its totient is φ = 1705200.

The previous prime is 4019993. The next prime is 4020011. The reversal of 4020002 is 2000204.

It is an interprime number because it is at equal distance from previous prime (4019993) and next prime (4020011).

It is a zygodrome in base 13.

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, 8 + ... + 2835.

It is an arithmetic number, because the mean of its divisors is an integer number (435132).

Almost surely, 2^4020002 is an apocalyptic number.

4020002 is a deficient number, since it is larger than the sum of its proper divisors (2942110).

4020002 is a wasteful number, since it uses less digits than its factorization.

4020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953.

The product of its (nonzero) digits is 16, while the sum is 8.

The square root of 4020002 is about 2004.9942643309. The cubic root of 4020002 is about 159.0042586837.

Adding to 4020002 its reverse (2000204), we get a palindrome (6020206).

The spelling of 4020002 in words is "four million, twenty thousand, two".