80220518 has 32 divisors (see below), whose sum is σ = 149179968. Its totient is φ = 31564800.

The previous prime is 80220479. The next prime is 80220521. The reversal of 80220518 is 81502208.

It is a Curzon number.

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, 5648 + ... + 13868.

It is an arithmetic number, because the mean of its divisors is an integer number (4661874).

Almost surely, 2^80220518 is an apocalyptic number.

80220518 is a deficient number, since it is larger than the sum of its proper divisors (68959450).

80220518 is a wasteful number, since it uses less digits than its factorization.

80220518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8288.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 80220518 is about 8956.5907576488. The cubic root of 80220518 is about 431.2824844815.

The spelling of 80220518 in words is "eighty million, two hundred twenty thousand, five hundred eighteen".