10102220 has 12 divisors (see below), whose sum is σ = 21214704. Its totient is φ = 4040880.

The previous prime is 10102207. The next prime is 10102289. The reversal of 10102220 is 2220101.

It is a junction number, because it is equal to n+sod(n) for n = 10102198 and 10102207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252536 + ... + 252575.

It is an arithmetic number, because the mean of its divisors is an integer number (1767892).

Almost surely, 2^10102220 is an apocalyptic number.

10102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10102220 is an abundant number, since it is smaller than the sum of its proper divisors (11112484).

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

10102220 is a wasteful number, since it uses less digits than its factorization.

10102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505120 (or 505118 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 10102220 is about 3178.3989680341. The cubic root of 10102220 is about 216.1750695435.

Adding to 10102220 its reverse (2220101), we get a palindrome (12322321).

The spelling of 10102220 in words is "ten million, one hundred two thousand, two hundred twenty".