80206118 has 4 divisors (see below), whose sum is σ = 120309180. Its totient is φ = 40103058.

The previous prime is 80206117. The next prime is 80206123. The reversal of 80206118 is 81160208.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80206117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20051528 + ... + 20051531.

It is an arithmetic number, because the mean of its divisors is an integer number (30077295).

Almost surely, 2^80206118 is an apocalyptic number.

80206118 is a deficient number, since it is larger than the sum of its proper divisors (40103062).

80206118 is a wasteful number, since it uses less digits than its factorization.

80206118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40103061.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 80206118 is about 8955.7868442700. The cubic root of 80206118 is about 431.2566771213.

The spelling of 80206118 in words is "eighty million, two hundred six thousand, one hundred eighteen".