32430220 has 24 divisors (see below), whose sum is σ = 72110304. Its totient is φ = 12208896.

The previous prime is 32430217. The next prime is 32430259. The reversal of 32430220 is 2203423.

It is a junction number, because it is equal to n+sod(n) for n = 32430194 and 32430203.

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, 47352 + ... + 48031.

It is an arithmetic number, because the mean of its divisors is an integer number (3004596).

Almost surely, 2^32430220 is an apocalyptic number.

It is an amenable number.

32430220 is an abundant number, since it is smaller than the sum of its proper divisors (39680084).

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

32430220 is a wasteful number, since it uses less digits than its factorization.

32430220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95409 (or 95407 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 32430220 is about 5694.7537260184. The cubic root of 32430220 is about 318.8966558253.

Adding to 32430220 its reverse (2203423), we get a palindrome (34633643).

The spelling of 32430220 in words is "thirty-two million, four hundred thirty thousand, two hundred twenty".