10831220 has 48 divisors (see below), whose sum is σ = 23647680. Its totient is φ = 4164864.

The previous prime is 10831217. The next prime is 10831231. The reversal of 10831220 is 2213801.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 78992 + ... + 79128.

It is an arithmetic number, because the mean of its divisors is an integer number (492660).

Almost surely, 2^10831220 is an apocalyptic number.

10831220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10831220 is an abundant number, since it is smaller than the sum of its proper divisors (12816460).

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

10831220 is a wasteful number, since it uses less digits than its factorization.

10831220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 10831220 is about 3291.0818889842. The cubic root of 10831220 is about 221.2546766118.

The spelling of 10831220 in words is "ten million, eight hundred thirty-one thousand, two hundred twenty".