20052618 has 8 divisors (see below), whose sum is σ = 40105248. Its totient is φ = 6684204.

The previous prime is 20052587. The next prime is 20052623. The reversal of 20052618 is 81625002.

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

20052618 is an admirable 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, 1671046 + ... + 1671057.

It is an arithmetic number, because the mean of its divisors is an integer number (5013156).

Almost surely, 2^20052618 is an apocalyptic number.

20052618 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20052618 is a wasteful number, since it uses less digits than its factorization.

20052618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3342108.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 20052618 is about 4478.0149620116. The cubic root of 20052618 is about 271.6795985831.

The spelling of 20052618 in words is "twenty million, fifty-two thousand, six hundred eighteen".