20036160 has 140 divisors (see below), whose sum is σ = 71364348. Its totient is φ = 5336064.

The previous prime is 20036131. The next prime is 20036171. The reversal of 20036160 is 6163002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3779136 + 16257024 = 1944^2 + 4032^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25534 + ... + 26306.

Almost surely, 2^20036160 is an apocalyptic number.

20036160 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 20036160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35682174).

20036160 is an abundant number, since it is smaller than the sum of its proper divisors (51328188).

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

20036160 is an equidigital number, since it uses as much as digits as its factorization.

20036160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802 (or 783 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 20036160 is about 4476.1769402024. The cubic root of 20036160 is about 271.6052520705.

Adding to 20036160 its reverse (6163002), we get a palindrome (26199162).

The spelling of 20036160 in words is "twenty million, thirty-six thousand, one hundred sixty".