32201240 has 16 divisors (see below), whose sum is σ = 72452880. Its totient is φ = 12880480.

The previous prime is 32201237. The next prime is 32201243. The reversal of 32201240 is 4210223.

It is an interprime number because it is at equal distance from previous prime (32201237) and next prime (32201243).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32201243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402476 + ... + 402555.

It is an arithmetic number, because the mean of its divisors is an integer number (4528305).

Almost surely, 2^32201240 is an apocalyptic number.

It is an amenable number.

32201240 is an abundant number, since it is smaller than the sum of its proper divisors (40251640).

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

32201240 is a wasteful number, since it uses less digits than its factorization.

32201240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805042 (or 805038 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 32201240 is about 5674.6136432360. The cubic root of 32201240 is about 318.1443380466.

Adding to 32201240 its reverse (4210223), we get a palindrome (36411463).

The spelling of 32201240 in words is "thirty-two million, two hundred one thousand, two hundred forty".