65108220 has 24 divisors (see below), whose sum is σ = 182303184. Its totient is φ = 17362176.

The previous prime is 65108209. The next prime is 65108297. The reversal of 65108220 is 2280156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 542509 + ... + 542628.

It is an arithmetic number, because the mean of its divisors is an integer number (7595966).

Almost surely, 2^65108220 is an apocalyptic number.

65108220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65108220 is an abundant number, since it is smaller than the sum of its proper divisors (117194964).

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

65108220 is a wasteful number, since it uses less digits than its factorization.

65108220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085149 (or 1085147 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 65108220 is about 8068.9664765694. The cubic root of 65108220 is about 402.2955921064.

Adding to 65108220 its reverse (2280156), we get a palindrome (67388376).

The spelling of 65108220 in words is "sixty-five million, one hundred eight thousand, two hundred twenty".