10955920 has 20 divisors (see below), whose sum is σ = 25472700. Its totient is φ = 4382336.

The previous prime is 10955911. The next prime is 10955921. The reversal of 10955920 is 2955901.

It can be written as a sum of positive squares in 2 ways, for example, as 8596624 + 2359296 = 2932^2 + 1536^2 .

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

It is not an unprimeable number, because it can be changed into a prime (10955921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68395 + ... + 68554.

It is an arithmetic number, because the mean of its divisors is an integer number (1273635).

Almost surely, 2^10955920 is an apocalyptic number.

10955920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10955920 is an abundant number, since it is smaller than the sum of its proper divisors (14516780).

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

10955920 is a wasteful number, since it uses less digits than its factorization.

10955920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136962 (or 136956 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 31.

The square root of 10955920 is about 3309.9728095560. The cubic root of 10955920 is about 222.1005415325.

The spelling of 10955920 in words is "ten million, nine hundred fifty-five thousand, nine hundred twenty".