10885520 has 20 divisors (see below), whose sum is σ = 25309020. Its totient is φ = 4354176.

The previous prime is 10885517. The next prime is 10885549. The reversal of 10885520 is 2558801.

It can be written as a sum of positive squares in 2 ways, for example, as 4393216 + 6492304 = 2096^2 + 2548^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67955 + ... + 68114.

It is an arithmetic number, because the mean of its divisors is an integer number (1265451).

Almost surely, 2^10885520 is an apocalyptic number.

10885520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10885520 is an abundant number, since it is smaller than the sum of its proper divisors (14423500).

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

10885520 is a wasteful number, since it uses less digits than its factorization.

10885520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136082 (or 136076 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 10885520 is about 3299.3211422958. The cubic root of 10885520 is about 221.6237980932.

The spelling of 10885520 in words is "ten million, eight hundred eighty-five thousand, five hundred twenty".