220807266 has 8 divisors (see below), whose sum is σ = 441614544. Its totient is φ = 73602420.

The previous prime is 220807243. The next prime is 220807267. The reversal of 220807266 is 662708022.

It is a sphenic number, since it is the product of 3 distinct primes.

220807266 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (220807267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18400600 + ... + 18400611.

It is an arithmetic number, because the mean of its divisors is an integer number (55201818).

Almost surely, 2^220807266 is an apocalyptic number.

220807266 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220807266 is a wasteful number, since it uses less digits than its factorization.

220807266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36801216.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 220807266 is about 14859.5849874753. The cubic root of 220807266 is about 604.4185529952.

The spelling of 220807266 in words is "two hundred twenty million, eight hundred seven thousand, two hundred sixty-six".