220265266 has 32 divisors (see below), whose sum is σ = 374194800. Its totient is φ = 96526080.

The previous prime is 220265239. The next prime is 220265267. The reversal of 220265266 is 662562022.

220265266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 366025 + 219899241 = 605^2 + 14829^2 .

It is not an unprimeable number, because it can be changed into a prime (220265267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43600 + ... + 48388.

Almost surely, 2^220265266 is an apocalyptic number.

220265266 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

220265266 is a deficient number, since it is larger than the sum of its proper divisors (153929534).

220265266 is a wasteful number, since it uses less digits than its factorization.

220265266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4894.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 220265266 is about 14841.3363953520. The cubic root of 220265266 is about 603.9236066270.

The spelling of 220265266 in words is "two hundred twenty million, two hundred sixty-five thousand, two hundred sixty-six".