220666348 has 48 divisors (see below), whose sum is σ = 452257344. Its totient is φ = 92252160.

The previous prime is 220666343. The next prime is 220666351. The reversal of 220666348 is 843666022.

It is not an unprimeable number, because it can be changed into a prime (220666343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357336 + ... + 357952.

It is an arithmetic number, because the mean of its divisors is an integer number (9422028).

Almost surely, 2^220666348 is an apocalyptic number.

220666348 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220666348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226128672).

220666348 is an abundant number, since it is smaller than the sum of its proper divisors (231590996).

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

220666348 is a wasteful number, since it uses less digits than its factorization.

220666348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922 (or 920 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 220666348 is about 14854.8425774224. The cubic root of 220666348 is about 604.2899467516.

The spelling of 220666348 in words is "two hundred twenty million, six hundred sixty-six thousand, three hundred forty-eight".