30220432 has 20 divisors (see below), whose sum is σ = 63875376. Its totient is φ = 13736480.

The previous prime is 30220429. The next prime is 30220457. The reversal of 30220432 is 23402203.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85678 + ... + 86029.

Almost surely, 2^30220432 is an apocalyptic number.

It is an amenable number.

30220432 is an abundant number, since it is smaller than the sum of its proper divisors (33654944).

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

30220432 is a wasteful number, since it uses less digits than its factorization.

30220432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171726 (or 171720 counting only the distinct ones).

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

The square root of 30220432 is about 5497.3113428293. The cubic root of 30220432 is about 311.4824313963.

Adding to 30220432 its reverse (23402203), we get a palindrome (53622635).

The spelling of 30220432 in words is "thirty million, two hundred twenty thousand, four hundred thirty-two".