220432504506 has 16 divisors (see below), whose sum is σ = 441887902848. Its totient is φ = 73307019200.

The previous prime is 220432504499. The next prime is 220432504517. The reversal of 220432504506 is 605405234022.

It is a happy 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, 42617775 + ... + 42622946.

It is an arithmetic number, because the mean of its divisors is an integer number (27617993928).

Almost surely, 2^220432504506 is an apocalyptic number.

220432504506 is an abundant number, since it is smaller than the sum of its proper divisors (221455398342).

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

220432504506 is a wasteful number, since it uses less digits than its factorization.

220432504506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85241157.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 220432504506 its reverse (605405234022), we get a palindrome (825837738528).

The spelling of 220432504506 in words is "two hundred twenty billion, four hundred thirty-two million, five hundred four thousand, five hundred six".