546205220 has 48 divisors (see below), whose sum is σ = 1255963968. Its totient is φ = 197880960.

The previous prime is 546205171. The next prime is 546205229. The reversal of 546205220 is 22502645.

It is a self number, because there is not a number n which added to its sum of digits gives 546205220.

It is not an unprimeable number, because it can be changed into a prime (546205229) 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, 56459 + ... + 65421.

It is an arithmetic number, because the mean of its divisors is an integer number (26165916).

Almost surely, 2^546205220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 546205220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (627981984).

546205220 is an abundant number, since it is smaller than the sum of its proper divisors (709758748).

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

546205220 is a wasteful number, since it uses less digits than its factorization.

546205220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9260 (or 9258 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 546205220 is about 23371.0337811574. The cubic root of 546205220 is about 817.4325905257.

Adding to 546205220 its reverse (22502645), we get a palindrome (568707865).

The spelling of 546205220 in words is "five hundred forty-six million, two hundred five thousand, two hundred twenty".