220542242112 has 84 divisors (see below), whose sum is σ = 642507644116. Its totient is φ = 72308920320.

The previous prime is 220542242111. The next prime is 220542242131. The reversal of 220542242112 is 211242245022.

220542242112 is a `hidden beast` number, since 2 + 2 + 0 + 542 + 2 + 4 + 2 + 112 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 36624773376 + 183917468736 = 191376^2 + 428856^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220542242111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3103273 + ... + 3173544.

Almost surely, 2^220542242112 is an apocalyptic number.

It is an amenable number.

220542242112 is an abundant number, since it is smaller than the sum of its proper divisors (421965402004).

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

220542242112 is a wasteful number, since it uses less digits than its factorization.

220542242112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6276896 (or 6276883 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 220542242112 its reverse (211242245022), we get a palindrome (431784487134).

The spelling of 220542242112 in words is "two hundred twenty billion, five hundred forty-two million, two hundred forty-two thousand, one hundred twelve".