10205830 has 8 divisors (see below), whose sum is σ = 18370512. Its totient is φ = 4082328.

The previous prime is 10205827. The next prime is 10205857. The reversal of 10205830 is 3850201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 10205798 and 10205807.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510282 + ... + 510301.

It is an arithmetic number, because the mean of its divisors is an integer number (2296314).

Almost surely, 2^10205830 is an apocalyptic number.

10205830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10205830 is a deficient number, since it is larger than the sum of its proper divisors (8164682).

10205830 is a wasteful number, since it uses less digits than its factorization.

10205830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020590.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 10205830 is about 3194.6564760550. The cubic root of 10205830 is about 216.9115994064.

The spelling of 10205830 in words is "ten million, two hundred five thousand, eight hundred thirty".