20620160 has 128 divisors (see below), whose sum is σ = 56181600. Its totient is φ = 7168000.

The previous prime is 20620151. The next prime is 20620183. The reversal of 20620160 is 6102602.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204110 + ... + 204210.

Almost surely, 2^20620160 is an apocalyptic number.

20620160 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 20620160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28090800).

20620160 is an abundant number, since it is smaller than the sum of its proper divisors (35561440).

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

20620160 is a wasteful number, since it uses less digits than its factorization.

20620160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 20620160 is about 4540.9426334187. The cubic root of 20620160 is about 274.2188742556.

Adding to 20620160 its reverse (6102602), we get a palindrome (26722762).

The spelling of 20620160 in words is "twenty million, six hundred twenty thousand, one hundred sixty".