220542543232 has 64 divisors (see below), whose sum is σ = 479396356560. Its totient is φ = 100227317760.

The previous prime is 220542543229. The next prime is 220542543241. The reversal of 220542543232 is 232345245022.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9383848 + ... + 9407320.

Almost surely, 2^220542543232 is an apocalyptic number.

220542543232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

220542543232 is an abundant number, since it is smaller than the sum of its proper divisors (258853813328).

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

220542543232 is a wasteful number, since it uses less digits than its factorization.

220542543232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30171 (or 30159 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 34.

Adding to 220542543232 its reverse (232345245022), we get a palindrome (452887788254).

The spelling of 220542543232 in words is "two hundred twenty billion, five hundred forty-two million, five hundred forty-three thousand, two hundred thirty-two".