10201885 has 4 divisors (see below), whose sum is σ = 12242268. Its totient is φ = 8161504.

The previous prime is 10201871. The next prime is 10201897. The reversal of 10201885 is 58810201.

10201885 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2595321 + 7606564 = 1611^2 + 2758^2 .

It is a cyclic number.

It is not a de Polignac number, because 10201885 - 2¹⁷ = 10070813 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 1020184 + ... + 1020193.

It is an arithmetic number, because the mean of its divisors is an integer number (3060567).

Almost surely, 2^10201885 is an apocalyptic number.

It is an amenable number.

10201885 is a deficient number, since it is larger than the sum of its proper divisors (2040383).

10201885 is an equidigital number, since it uses as much as digits as its factorization.

10201885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040382.

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 10201885 is about 3194.0389790984. The cubic root of 10201885 is about 216.8836471954.

It can be divided in two parts, 102018 and 85, that multiplied together give a triangular number (8671530 = T₄₁₆₄).

The spelling of 10201885 in words is "ten million, two hundred one thousand, eight hundred eighty-five".