220164620 has 48 divisors (see below), whose sum is σ = 527210208. Its totient is φ = 76508160.

The previous prime is 220164523. The next prime is 220164641. The reversal of 220164620 is 26461022.

220164620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20486 + ... + 29325.

It is an arithmetic number, because the mean of its divisors is an integer number (10983546).

Almost surely, 2^220164620 is an apocalyptic number.

220164620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220164620 is an abundant number, since it is smaller than the sum of its proper divisors (307045588).

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

220164620 is a wasteful number, since it uses less digits than its factorization.

220164620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49850 (or 49848 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 220164620 is about 14837.9452755427. The cubic root of 220164620 is about 603.8316088334.

The spelling of 220164620 in words is "two hundred twenty million, one hundred sixty-four thousand, six hundred twenty".