10117220 has 36 divisors (see below), whose sum is σ = 21802620. Its totient is φ = 3943488.

The previous prime is 10117207. The next prime is 10117231. The reversal of 10117220 is 2271101.

It can be written as a sum of positive squares in 2 ways, for example, as 6927424 + 3189796 = 2632^2 + 1786^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10117195 and 10117204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44066 + ... + 44294.

Almost surely, 2^10117220 is an apocalyptic number.

10117220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10117220 is an abundant number, since it is smaller than the sum of its proper divisors (11685400).

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

10117220 is a wasteful number, since it uses less digits than its factorization.

10117220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 10117220 is about 3180.7577713495. The cubic root of 10117220 is about 216.2820104752.

Adding to 10117220 its reverse (2271101), we get a palindrome (12388321).

The spelling of 10117220 in words is "ten million, one hundred seventeen thousand, two hundred twenty".