8020001 has 12 divisors (see below), whose sum is σ = 8937600. Its totient is φ = 7190040.

The previous prime is 8019997. The next prime is 8020003. The reversal of 8020001 is 1000208.

It is not a de Polignac number, because 8020001 - 2² = 8019997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (11).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8020003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9140 + ... + 9978.

It is an arithmetic number, because the mean of its divisors is an integer number (744800).

Almost surely, 2^8020001 is an apocalyptic number.

It is an amenable number.

8020001 is a deficient number, since it is larger than the sum of its proper divisors (917599).

8020001 is a wasteful number, since it uses less digits than its factorization.

8020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940 (or 929 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 8020001 is about 2831.9606282574. The cubic root of 8020001 is about 200.1665362898.

Adding to 8020001 its reverse (1000208), we get a palindrome (9020209).

The spelling of 8020001 in words is "eight million, twenty thousand, one".