220634005 has 8 divisors (see below), whose sum is σ = 266666400. Its totient is φ = 175236816.

The previous prime is 220633951. The next prime is 220634017. The reversal of 220634005 is 500436022.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 220634005 - 2⁷ = 220633877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158035 + ... + 159424.

It is an arithmetic number, because the mean of its divisors is an integer number (33333300).

Almost surely, 2^220634005 is an apocalyptic number.

It is an amenable number.

220634005 is a deficient number, since it is larger than the sum of its proper divisors (46032395).

220634005 is a wasteful number, since it uses less digits than its factorization.

220634005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317603.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 220634005 is about 14853.7539026335. The cubic root of 220634005 is about 604.2604217774.

The spelling of 220634005 in words is "two hundred twenty million, six hundred thirty-four thousand, five".