220633386 has 32 divisors (see below), whose sum is σ = 458293248. Its totient is φ = 70735920.

The previous prime is 220633381. The next prime is 220633393. The reversal of 220633386 is 683336022.

It is not an unprimeable number, because it can be changed into a prime (220633381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27511 + ... + 34613.

It is an arithmetic number, because the mean of its divisors is an integer number (14321664).

Almost surely, 2^220633386 is an apocalyptic number.

220633386 is an abundant number, since it is smaller than the sum of its proper divisors (237659862).

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

220633386 is a wasteful number, since it uses less digits than its factorization.

220633386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7306.

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 220633386 is about 14853.7330661353. The cubic root of 220633386 is about 604.2598566823.

The spelling of 220633386 in words is "two hundred twenty million, six hundred thirty-three thousand, three hundred eighty-six".