10206018 has 24 divisors (see below), whose sum is σ = 23414508. Its totient is φ = 3201792.

The previous prime is 10205989. The next prime is 10206019. The reversal of 10206018 is 81060201.

It can be written as a sum of positive squares in 2 ways, for example, as 10131489 + 74529 = 3183^2 + 273^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10206019) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 16371 + ... + 16982.

Almost surely, 2^10206018 is an apocalyptic number.

10206018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10206018 is an abundant number, since it is smaller than the sum of its proper divisors (13208490).

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

10206018 is a wasteful number, since it uses less digits than its factorization.

10206018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33378 (or 33375 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 10206018 is about 3194.6859000534. The cubic root of 10206018 is about 216.9129312965.

Adding to 10206018 its reverse (81060201), we get a palindrome (91266219).

The spelling of 10206018 in words is "ten million, two hundred six thousand, eighteen".