220500732 has 24 divisors (see below), whose sum is σ = 526468096. Its totient is φ = 71790768.

The previous prime is 220500703. The next prime is 220500733. The reversal of 220500732 is 237005022.

220500732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 220500699 and 220500708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220500733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213148 + ... + 214179.

Almost surely, 2^220500732 is an apocalyptic number.

It is an amenable number.

220500732 is an abundant number, since it is smaller than the sum of its proper divisors (305967364).

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

220500732 is a wasteful number, since it uses less digits than its factorization.

220500732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427377 (or 427375 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 220500732 is about 14849.2670526191. The cubic root of 220500732 is about 604.1387303219.

Adding to 220500732 its reverse (237005022), we get a palindrome (457505754).

The spelling of 220500732 in words is "two hundred twenty million, five hundred thousand, seven hundred thirty-two".