220430532 has 24 divisors (see below), whose sum is σ = 587814976. Its totient is φ = 62980128.

The previous prime is 220430527. The next prime is 220430543. The reversal of 220430532 is 235034022.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 220430499 and 220430508.

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, 1312003 + ... + 1312170.

Almost surely, 2^220430532 is an apocalyptic number.

It is an amenable number.

220430532 is an abundant number, since it is smaller than the sum of its proper divisors (367384444).

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

220430532 is a wasteful number, since it uses less digits than its factorization.

220430532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2624187 (or 2624185 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 220430532 is about 14846.9031114236. The cubic root of 220430532 is about 604.0746110482.

Adding to 220430532 its reverse (235034022), we get a palindrome (455464554).

The spelling of 220430532 in words is "two hundred twenty million, four hundred thirty thousand, five hundred thirty-two".