80200021 has 8 divisors (see below), whose sum is σ = 87591744. Its totient is φ = 72825120.

The previous prime is 80200013. The next prime is 80200027. The reversal of 80200021 is 12000208.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80200021 - 2³ = 80200013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80199974 and 80200010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80200027) 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 7 ways as a sum of consecutive naturals, for example, 7105 + ... + 14521.

It is an arithmetic number, because the mean of its divisors is an integer number (10948968).

Almost surely, 2^80200021 is an apocalyptic number.

It is an amenable number.

80200021 is a deficient number, since it is larger than the sum of its proper divisors (7391723).

80200021 is a wasteful number, since it uses less digits than its factorization.

80200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8411.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 80200021 is about 8955.4464433662. The cubic root of 80200021 is about 431.2457492825.

Adding to 80200021 its reverse (12000208), we get a palindrome (92200229).

The spelling of 80200021 in words is "eighty million, two hundred thousand, twenty-one".