20676336 has 40 divisors (see below), whose sum is σ = 54175104. Its totient is φ = 6793920.

The previous prime is 20676329. The next prime is 20676361. The reversal of 20676336 is 63367602.

It is a junction number, because it is equal to n+sod(n) for n = 20676297 and 20676306.

It is a congruent number.

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, 375 + ... + 6441.

Almost surely, 2^20676336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20676336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27087552).

20676336 is an abundant number, since it is smaller than the sum of its proper divisors (33498768).

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

20676336 is a wasteful number, since it uses less digits than its factorization.

20676336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6149 (or 6143 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 33.

The square root of 20676336 is about 4547.1239261758. The cubic root of 20676336 is about 274.4676688276.

It can be divided in two parts, 20676 and 336, that added together give a palindrome (21012).

The spelling of 20676336 in words is "twenty million, six hundred seventy-six thousand, three hundred thirty-six".