220466620 has 24 divisors (see below), whose sum is σ = 505069488. Its totient is φ = 80169600.

The previous prime is 220466611. The next prime is 220466629. The reversal of 220466620 is 26664022.

It is an interprime number because it is at equal distance from previous prime (220466611) and next prime (220466629).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220466629) by changing a digit.

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, 500841 + ... + 501280.

It is an arithmetic number, because the mean of its divisors is an integer number (21044562).

Almost surely, 2^220466620 is an apocalyptic number.

220466620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220466620 is an abundant number, since it is smaller than the sum of its proper divisors (284602868).

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

220466620 is a wasteful number, since it uses less digits than its factorization.

220466620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002141 (or 1002139 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 220466620 is about 14848.1183993124. The cubic root of 220466620 is about 604.1075748045.

The spelling of 220466620 in words is "two hundred twenty million, four hundred sixty-six thousand, six hundred twenty".