10855920 has 40 divisors (see below), whose sum is σ = 33654096. Its totient is φ = 2894848.

The previous prime is 10855913. The next prime is 10855927. The reversal of 10855920 is 2955801.

10855920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10855913) and next prime (10855927).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10855927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22377 + ... + 22856.

Almost surely, 2^10855920 is an apocalyptic number.

10855920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10855920 is an abundant number, since it is smaller than the sum of its proper divisors (22798176).

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

10855920 is a wasteful number, since it uses less digits than its factorization.

10855920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45249 (or 45243 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 10855920 is about 3294.8323174329. The cubic root of 10855920 is about 221.4227352904.

The spelling of 10855920 in words is "ten million, eight hundred fifty-five thousand, nine hundred twenty".