220816526 has 16 divisors (see below), whose sum is σ = 378832896. Its totient is φ = 94563096.

The previous prime is 220816517. The next prime is 220816543. The reversal of 220816526 is 625618022.

It is a junction number, because it is equal to n+sod(n) for n = 220816492 and 220816501.

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, 15515 + ... + 26121.

It is an arithmetic number, because the mean of its divisors is an integer number (23677056).

Almost surely, 2^220816526 is an apocalyptic number.

220816526 is a deficient number, since it is larger than the sum of its proper divisors (158016370).

220816526 is a wasteful number, since it uses less digits than its factorization.

220816526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12103.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 220816526 is about 14859.8965676077. The cubic root of 220816526 is about 604.4270020493.

The spelling of 220816526 in words is "two hundred twenty million, eight hundred sixteen thousand, five hundred twenty-six".