20568334 has 16 divisors (see below), whose sum is σ = 33118848. Its totient is φ = 9545472.

The previous prime is 20568329. The next prime is 20568343. The reversal of 20568334 is 43386502.

It is a junction number, because it is equal to n+sod(n) for n = 20568296 and 20568305.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 1662 + ... + 6625.

It is an arithmetic number, because the mean of its divisors is an integer number (2069928).

Almost surely, 2^20568334 is an apocalyptic number.

20568334 is a deficient number, since it is larger than the sum of its proper divisors (12550514).

20568334 is a wasteful number, since it uses less digits than its factorization.

20568334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8379.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 20568334 is about 4535.2325188462. The cubic root of 20568334 is about 273.9889440901.

It can be divided in two parts, 20568 and 334, that added together give a palindrome (20902).

The spelling of 20568334 in words is "twenty million, five hundred sixty-eight thousand, three hundred thirty-four".