220134657 has 8 divisors (see below), whose sum is σ = 294470176. Its totient is φ = 146277792.

The previous prime is 220134653. The next prime is 220134659. The reversal of 220134657 is 756431022.

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

It is not a de Polignac number, because 220134657 - 2² = 220134653 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220134653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118588 + ... + 120429.

It is an arithmetic number, because the mean of its divisors is an integer number (36808772).

Almost surely, 2^220134657 is an apocalyptic number.

It is an amenable number.

220134657 is a deficient number, since it is larger than the sum of its proper divisors (74335519).

220134657 is a wasteful number, since it uses less digits than its factorization.

220134657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239327.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 220134657 is about 14836.9355663493. The cubic root of 220134657 is about 603.8042150476.

Adding to 220134657 its reverse (756431022), we get a palindrome (976565679).

The spelling of 220134657 in words is "two hundred twenty million, one hundred thirty-four thousand, six hundred fifty-seven".