80020205 has 16 divisors (see below), whose sum is σ = 98757120. Its totient is φ = 62209728.

The previous prime is 80020189. The next prime is 80020211. The reversal of 80020205 is 50202008.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 80020205 - 2⁴ = 80020189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47111 + ... + 48779.

It is an arithmetic number, because the mean of its divisors is an integer number (6172320).

Almost surely, 2^80020205 is an apocalyptic number.

It is an amenable number.

80020205 is a deficient number, since it is larger than the sum of its proper divisors (18736915).

80020205 is a wasteful number, since it uses less digits than its factorization.

80020205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1940.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 80020205 is about 8945.4013325284. The cubic root of 80020205 is about 430.9232102470.

The spelling of 80020205 in words is "eighty million, twenty thousand, two hundred five".