4020011 has 2 divisors, whose sum is σ = 4020012. Its totient is φ = 4020010.

The previous prime is 4019993. The next prime is 4020017. The reversal of 4020011 is 1100204.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4020011 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4020017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010005 + 2010006.

It is an arithmetic number, because the mean of its divisors is an integer number (2010006).

Almost surely, 2^4020011 is an apocalyptic number.

4020011 is a deficient number, since it is larger than the sum of its proper divisors (1).

4020011 is an equidigital number, since it uses as much as digits as its factorization.

4020011 is an evil number, because the sum of its binary digits is even.

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

The square root of 4020011 is about 2004.9965087251. The cubic root of 4020011 is about 159.0043773435.

Adding to 4020011 its reverse (1100204), we get a palindrome (5120215).

The spelling of 4020011 in words is "four million, twenty thousand, eleven".