20050618 has 32 divisors (see below), whose sum is σ = 36400896. Its totient is φ = 8097408.

The previous prime is 20050609. The next prime is 20050631. The reversal of 20050618 is 81605002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23080 + ... + 23932.

It is an arithmetic number, because the mean of its divisors is an integer number (1137528).

Almost surely, 2^20050618 is an apocalyptic number.

20050618 is a deficient number, since it is larger than the sum of its proper divisors (16350278).

20050618 is a wasteful number, since it uses less digits than its factorization.

20050618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 20050618 is about 4477.7916432099. The cubic root of 20050618 is about 271.6705660591.

The spelling of 20050618 in words is "twenty million, fifty thousand, six hundred eighteen".