542326220 has 12 divisors (see below), whose sum is σ = 1138885104. Its totient is φ = 216930480.

The previous prime is 542326219. The next prime is 542326237. The reversal of 542326220 is 22623245.

It is a self number, because there is not a number n which added to its sum of digits gives 542326220.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13558136 + ... + 13558175.

It is an arithmetic number, because the mean of its divisors is an integer number (94907092).

Almost surely, 2^542326220 is an apocalyptic number.

It is an amenable number.

542326220 is an abundant number, since it is smaller than the sum of its proper divisors (596558884).

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

542326220 is a wasteful number, since it uses less digits than its factorization.

542326220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27116320 (or 27116318 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 542326220 is about 23287.8985741522. The cubic root of 542326220 is about 815.4929307551.

Adding to 542326220 its reverse (22623245), we get a palindrome (564949465).

The spelling of 542326220 in words is "five hundred forty-two million, three hundred twenty-six thousand, two hundred twenty".