220745486 has 16 divisors (see below), whose sum is σ = 357727104. Its totient is φ = 101557344.

The previous prime is 220745479. The next prime is 220745501. The reversal of 220745486 is 684547022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5150 + ... + 21633.

It is an arithmetic number, because the mean of its divisors is an integer number (22357944).

Almost surely, 2^220745486 is an apocalyptic number.

220745486 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

220745486 is a deficient number, since it is larger than the sum of its proper divisors (136981618).

220745486 is a wasteful number, since it uses less digits than its factorization.

220745486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27115.

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 220745486 is about 14857.5060491322. The cubic root of 220745486 is about 604.3621773424.

The spelling of 220745486 in words is "two hundred twenty million, seven hundred forty-five thousand, four hundred eighty-six".