546308220 has 24 divisors (see below), whose sum is σ = 1529663184. Its totient is φ = 145682176.

The previous prime is 546308207. The next prime is 546308221. The reversal of 546308220 is 22803645.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546308221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4552509 + ... + 4552628.

It is an arithmetic number, because the mean of its divisors is an integer number (63735966).

Almost surely, 2^546308220 is an apocalyptic number.

It is an amenable number.

546308220 is an abundant number, since it is smaller than the sum of its proper divisors (983354964).

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

546308220 is a wasteful number, since it uses less digits than its factorization.

546308220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9105149 (or 9105147 counting only the distinct ones).

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

The square root of 546308220 is about 23373.2372597379. The cubic root of 546308220 is about 817.4839694226.

The spelling of 546308220 in words is "five hundred forty-six million, three hundred eight thousand, two hundred twenty".