220266813 has 16 divisors (see below), whose sum is σ = 317206400. Its totient is φ = 135152064.

The previous prime is 220266763. The next prime is 220266833. The reversal of 220266813 is 318662022.

It is not a de Polignac number, because 220266813 - 2¹⁰ = 220265789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220266833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5520 + ... + 21702.

It is an arithmetic number, because the mean of its divisors is an integer number (19825400).

Almost surely, 2^220266813 is an apocalyptic number.

It is an amenable number.

220266813 is a deficient number, since it is larger than the sum of its proper divisors (96939587).

220266813 is a wasteful number, since it uses less digits than its factorization.

220266813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16548.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 220266813 is about 14841.3885132086. The cubic root of 220266813 is about 603.9250204793.

The spelling of 220266813 in words is "two hundred twenty million, two hundred sixty-six thousand, eight hundred thirteen".