20093858 has 16 divisors (see below), whose sum is σ = 31764096. Its totient is φ = 9514560.

The previous prime is 20093791. The next prime is 20093867. The reversal of 20093858 is 85839002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2618 + ... + 6858.

It is an arithmetic number, because the mean of its divisors is an integer number (1985256).

Almost surely, 2^20093858 is an apocalyptic number.

20093858 is a deficient number, since it is larger than the sum of its proper divisors (11670238).

20093858 is a wasteful number, since it uses less digits than its factorization.

20093858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4369.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 20093858 is about 4482.6173158100. The cubic root of 20093858 is about 271.8657155063.

The spelling of 20093858 in words is "twenty million, ninety-three thousand, eight hundred fifty-eight".