10206855 has 12 divisors (see below), whose sum is σ = 17691960. Its totient is φ = 5443632.

The previous prime is 10206853. The next prime is 10206877. The reversal of 10206855 is 55860201.

It is not a de Polignac number, because 10206855 - 2¹ = 10206853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10206853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113365 + ... + 113454.

It is an arithmetic number, because the mean of its divisors is an integer number (1474330).

Almost surely, 2^10206855 is an apocalyptic number.

10206855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10206855 is a deficient number, since it is larger than the sum of its proper divisors (7485105).

10206855 is a wasteful number, since it uses less digits than its factorization.

10206855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226830 (or 226827 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 10206855 is about 3194.8168961617. The cubic root of 10206855 is about 216.9188608425.

It can be divided in two parts, 1020 and 6855, that added together give a triangular number (7875 = T₁₂₅).

The spelling of 10206855 in words is "ten million, two hundred six thousand, eight hundred fifty-five".