32020224 has 72 divisors (see below), whose sum is σ = 86068752. Its totient is φ = 10567680.

The previous prime is 32020223. The next prime is 32020237. The reversal of 32020224 is 42202023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32020223) 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, 132744 + ... + 132984.

Almost surely, 2^32020224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32020224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43034376).

32020224 is an abundant number, since it is smaller than the sum of its proper divisors (54048528).

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

32020224 is a wasteful number, since it uses less digits than its factorization.

32020224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 32020224 is about 5658.6415330890. The cubic root of 32020224 is about 317.5470788063.

Adding to 32020224 its reverse (42202023), we get a palindrome (74222247).

The spelling of 32020224 in words is "thirty-two million, twenty thousand, two hundred twenty-four".