20334160 has 80 divisors (see below), whose sum is σ = 58960512. Its totient is φ = 6336000.

The previous prime is 20334151. The next prime is 20334163. The reversal of 20334160 is 6143302.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20334163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4510 + ... + 7810.

Almost surely, 2^20334160 is an apocalyptic number.

20334160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20334160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29480256).

20334160 is an abundant number, since it is smaller than the sum of its proper divisors (38626352).

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

20334160 is a wasteful number, since it uses less digits than its factorization.

20334160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3332 (or 3326 counting only the distinct ones).

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

The square root of 20334160 is about 4509.3414153289. The cubic root of 20334160 is about 272.9451691642.

Adding to 20334160 its reverse (6143302), we get a palindrome (26477462).

It can be divided in two parts, 203341 and 60, that added together give a square (203401 = 451²).

The spelling of 20334160 in words is "twenty million, three hundred thirty-four thousand, one hundred sixty".