10201866 has 32 divisors (see below), whose sum is σ = 21143808. Its totient is φ = 3279360.

The previous prime is 10201861. The next prime is 10201871. The reversal of 10201866 is 66810201.

10201866 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 (10201861) and next prime (10201871).

It is not an unprimeable number, because it can be changed into a prime (10201861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27615 + ... + 27981.

It is an arithmetic number, because the mean of its divisors is an integer number (660744).

Almost surely, 2^10201866 is an apocalyptic number.

10201866 is an abundant number, since it is smaller than the sum of its proper divisors (10941942).

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

10201866 is a wasteful number, since it uses less digits than its factorization.

10201866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 10201866 is about 3194.0360048065. The cubic root of 10201866 is about 216.8835125539.

The spelling of 10201866 in words is "ten million, two hundred one thousand, eight hundred sixty-six".