220442534352 has 60 divisors (see below), whose sum is σ = 617305913380. Its totient is φ = 73436419584.

The previous prime is 220442534327. The next prime is 220442534357. The reversal of 220442534352 is 253435244022.

220442534352 is a `hidden beast` number, since 220 + 4 + 42 + 5 + 343 + 52 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 91032544656 + 129409989696 = 301716^2 + 359736^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220442534357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 223327 + ... + 700542.

Almost surely, 2^220442534352 is an apocalyptic number.

It is an amenable number.

220442534352 is an abundant number, since it is smaller than the sum of its proper divisors (396863379028).

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

220442534352 is a wasteful number, since it uses less digits than its factorization.

220442534352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925540 (or 925531 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 36.

Adding to 220442534352 its reverse (253435244022), we get a palindrome (473877778374).

The spelling of 220442534352 in words is "two hundred twenty billion, four hundred forty-two million, five hundred thirty-four thousand, three hundred fifty-two".