32120216 has 16 divisors (see below), whose sum is σ = 62168640. Its totient is φ = 15541920.

The previous prime is 32120161. The next prime is 32120233. The reversal of 32120216 is 61202123.

It is a junction number, because it is equal to n+sod(n) for n = 32120194 and 32120203.

It is a congruent number.

It is an unprimeable number.

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, 64511 + ... + 65006.

It is an arithmetic number, because the mean of its divisors is an integer number (3885540).

Almost surely, 2^32120216 is an apocalyptic number.

It is an amenable number.

32120216 is a deficient number, since it is larger than the sum of its proper divisors (30048424).

32120216 is a wasteful number, since it uses less digits than its factorization.

32120216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129554 (or 129550 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 32120216 is about 5667.4699822760. The cubic root of 32120216 is about 317.8772781733.

Adding to 32120216 its reverse (61202123), we get a palindrome (93322339).

The spelling of 32120216 in words is "thirty-two million, one hundred twenty thousand, two hundred sixteen".