220432504505 has 16 divisors (see below), whose sum is σ = 285537761280. Its totient is φ = 162862273728.

The previous prime is 220432504499. The next prime is 220432504517. The reversal of 220432504505 is 505405234022.

It is a cyclic number.

It is not a de Polignac number, because 220432504505 - 2¹⁸ = 220432242361 is a prime.

It is a super-3 number, since 3×220432504505³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33045017 + ... + 33051686.

It is an arithmetic number, because the mean of its divisors is an integer number (17846110080).

Almost surely, 2^220432504505 is an apocalyptic number.

It is an amenable number.

220432504505 is a deficient number, since it is larger than the sum of its proper divisors (65105256775).

220432504505 is a wasteful number, since it uses less digits than its factorization.

220432504505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66096760.

The product of its (nonzero) digits is 48000, while the sum is 32.

Adding to 220432504505 its reverse (505405234022), we get a palindrome (725837738527).

The spelling of 220432504505 in words is "two hundred twenty billion, four hundred thirty-two million, five hundred four thousand, five hundred five".