20059858 has 32 divisors (see below), whose sum is σ = 38989440. Its totient is φ = 7516800.

The previous prime is 20059849. The next prime is 20059861. The reversal of 20059858 is 85895002.

It is a happy number.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 558 + ... + 6358.

It is an arithmetic number, because the mean of its divisors is an integer number (1218420).

Almost surely, 2^20059858 is an apocalyptic number.

20059858 is a deficient number, since it is larger than the sum of its proper divisors (18929582).

20059858 is a wasteful number, since it uses less digits than its factorization.

20059858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5842.

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 20059858 is about 4478.8232829617. The cubic root of 20059858 is about 271.7122912988.

It can be divided in two parts, 200 and 59858, that multiplied together give a square (11971600 = 3460²).

The spelling of 20059858 in words is "twenty million, fifty-nine thousand, eight hundred fifty-eight".