20334016 has 56 divisors (see below), whose sum is σ = 42932096. Its totient is φ = 9538560.

The previous prime is 20334007. The next prime is 20334049. The reversal of 20334016 is 61043302.

It is a junction number, because it is equal to n+sod(n) for n = 20333984 and 20334002.

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, 73270 + ... + 73546.

Almost surely, 2^20334016 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 20334016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21466048).

20334016 is an abundant number, since it is smaller than the sum of its proper divisors (22598080).

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

20334016 is a wasteful number, since it uses less digits than its factorization.

20334016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 20334016 is about 4509.3254484457. The cubic root of 20334016 is about 272.9445248593.

Adding to 20334016 its reverse (61043302), we get a palindrome (81377318).

The spelling of 20334016 in words is "twenty million, three hundred thirty-four thousand, sixteen".