80020659 has 8 divisors (see below), whose sum is σ = 106735552. Its totient is φ = 53326440.

The previous prime is 80020637. The next prime is 80020667. The reversal of 80020659 is 95602008.

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

It is not a de Polignac number, because 80020659 - 2⁷ = 80020531 is a prime.

It is a super-3 number, since 3×80020659³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80020679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12372 + ... + 17694.

It is an arithmetic number, because the mean of its divisors is an integer number (13341944).

Almost surely, 2^80020659 is an apocalyptic number.

80020659 is a deficient number, since it is larger than the sum of its proper divisors (26714893).

80020659 is a wasteful number, since it uses less digits than its factorization.

80020659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10337.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 80020659 is about 8945.4267086596. The cubic root of 80020659 is about 430.9240252027.

The spelling of 80020659 in words is "eighty million, twenty thousand, six hundred fifty-nine".