80201001 has 16 divisors (see below), whose sum is σ = 109771200. Its totient is φ = 52066368.

The previous prime is 80200993. The next prime is 80201003. The reversal of 80201001 is 10010208.

It is a happy number.

It is not a de Polignac number, because 80201001 - 2³ = 80200993 is a prime.

It is a super-2 number, since 2×80201001² = 12864401122804002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80201003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17215 + ... + 21371.

It is an arithmetic number, because the mean of its divisors is an integer number (6860700).

Almost surely, 2^80201001 is an apocalyptic number.

It is an amenable number.

80201001 is a deficient number, since it is larger than the sum of its proper divisors (29570199).

80201001 is a wasteful number, since it uses less digits than its factorization.

80201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4328.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 80201001 is about 8955.5011585059. The cubic root of 80201001 is about 431.2475058037.

Adding to 80201001 its reverse (10010208), we get a palindrome (90211209).

The spelling of 80201001 in words is "eighty million, two hundred one thousand, one".