27216220210 has 32 divisors (see below), whose sum is σ = 51965919360. Its totient is φ = 10227340032.

The previous prime is 27216220189. The next prime is 27216220223. The reversal of 27216220210 is 1202261272.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53350 + ... + 239329.

It is an arithmetic number, because the mean of its divisors is an integer number (1623934980).

Almost surely, 2^27216220210 is an apocalyptic number.

27216220210 is a deficient number, since it is larger than the sum of its proper divisors (24749699150).

27216220210 is a wasteful number, since it uses less digits than its factorization.

27216220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293250.

The product of its (nonzero) digits is 1344, while the sum is 25.

Adding to 27216220210 its reverse (1202261272), we get a palindrome (28418481482).

The spelling of 27216220210 in words is "twenty-seven billion, two hundred sixteen million, two hundred twenty thousand, two hundred ten".