220546164 has 48 divisors (see below), whose sum is σ = 523998720. Its totient is φ = 72182880.

The previous prime is 220546141. The next prime is 220546169. The reversal of 220546164 is 461645022.

220546164 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×220546164² = 97281220910229792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220546169) 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, 322567 + ... + 323249.

It is an arithmetic number, because the mean of its divisors is an integer number (10916640).

Almost surely, 2^220546164 is an apocalyptic number.

It is an amenable number.

220546164 is an abundant number, since it is smaller than the sum of its proper divisors (303452556).

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

220546164 is a wasteful number, since it uses less digits than its factorization.

220546164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140 (or 1138 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 220546164 is about 14850.7967463029. The cubic root of 220546164 is about 604.1802197472.

The spelling of 220546164 in words is "two hundred twenty million, five hundred forty-six thousand, one hundred sixty-four".