220266136 has 16 divisors (see below), whose sum is σ = 427240800. Its totient is φ = 106335264.

The previous prime is 220266121. The next prime is 220266139. The reversal of 220266136 is 631662022.

It is a happy number.

220266136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220266139) 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, 474480 + ... + 474943.

It is an arithmetic number, because the mean of its divisors is an integer number (26702550).

Almost surely, 2^220266136 is an apocalyptic number.

It is an amenable number.

220266136 is a deficient number, since it is larger than the sum of its proper divisors (206974664).

220266136 is a wasteful number, since it uses less digits than its factorization.

220266136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949458 (or 949454 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 220266136 is about 14841.3657053521. The cubic root of 220266136 is about 603.9244017484.

The spelling of 220266136 in words is "two hundred twenty million, two hundred sixty-six thousand, one hundred thirty-six".