80020354667 has 16 divisors (see below), whose sum is σ = 87819863040. Its totient is φ = 72308728800.

The previous prime is 80020354643. The next prime is 80020354669. The reversal of 80020354667 is 76645302008.

It is a happy number.

It is not a de Polignac number, because 80020354667 - 2¹⁰ = 80020353643 is a prime.

It is a super-2 number, since 2×80020354667² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80020354669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4648358 + ... + 4665540.

It is an arithmetic number, because the mean of its divisors is an integer number (5488741440).

Almost surely, 2^80020354667 is an apocalyptic number.

80020354667 is a deficient number, since it is larger than the sum of its proper divisors (7799508373).

80020354667 is a wasteful number, since it uses less digits than its factorization.

80020354667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19714.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 80020354667 in words is "eighty billion, twenty million, three hundred fifty-four thousand, six hundred sixty-seven".