220234685 has 8 divisors (see below), whose sum is σ = 288307296. Its totient is φ = 160170640.

The previous prime is 220234661. The next prime is 220234697. The reversal of 220234685 is 586432022.

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

It is not a de Polignac number, because 220234685 - 2¹⁰ = 220233661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2002079 + ... + 2002188.

It is an arithmetic number, because the mean of its divisors is an integer number (36038412).

Almost surely, 2^220234685 is an apocalyptic number.

It is an amenable number.

220234685 is a deficient number, since it is larger than the sum of its proper divisors (68072611).

220234685 is a wasteful number, since it uses less digits than its factorization.

220234685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4004283.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 220234685 is about 14840.3060952259. The cubic root of 220234685 is about 603.8956563243.

The spelling of 220234685 in words is "two hundred twenty million, two hundred thirty-four thousand, six hundred eighty-five".