220666230 has 24 divisors (see below), whose sum is σ = 573732432. Its totient is φ = 58844304.

The previous prime is 220666213. The next prime is 220666241. The reversal of 220666230 is 32666022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220666194 and 220666203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1225834 + ... + 1226013.

It is an arithmetic number, because the mean of its divisors is an integer number (23905518).

Almost surely, 2^220666230 is an apocalyptic number.

220666230 is an abundant number, since it is smaller than the sum of its proper divisors (353066202).

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

220666230 is a wasteful number, since it uses less digits than its factorization.

220666230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451860 (or 2451857 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 220666230 is about 14854.8386056530. The cubic root of 220666230 is about 604.2898390381.

The spelling of 220666230 in words is "two hundred twenty million, six hundred sixty-six thousand, two hundred thirty".