220628136 has 32 divisors (see below), whose sum is σ = 552067200. Its totient is φ = 73476480.

The previous prime is 220628131. The next prime is 220628153. The reversal of 220628136 is 631826022.

It is not an unprimeable number, because it can be changed into a prime (220628131) 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 7 ways as a sum of consecutive naturals, for example, 28225 + ... + 35183.

It is an arithmetic number, because the mean of its divisors is an integer number (17252100).

Almost surely, 2^220628136 is an apocalyptic number.

It is an amenable number.

220628136 is an abundant number, since it is smaller than the sum of its proper divisors (331439064).

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

220628136 is a wasteful number, since it uses less digits than its factorization.

220628136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8289 (or 8285 counting only the distinct ones).

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

The square root of 220628136 is about 14853.5563418328. The cubic root of 220628136 is about 604.2550638305.

The spelling of 220628136 in words is "two hundred twenty million, six hundred twenty-eight thousand, one hundred thirty-six".