20544192 has 84 divisors (see below), whose sum is σ = 61113416. Its totient is φ = 6842880.

The previous prime is 20544169. The next prime is 20544193. The reversal of 20544192 is 29144502.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20544193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14892 + ... + 16212.

Almost surely, 2^20544192 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 20544192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30556708).

20544192 is an abundant number, since it is smaller than the sum of its proper divisors (40569224).

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

20544192 is an equidigital number, since it uses as much as digits as its factorization.

20544192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348 (or 1326 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 20544192 is about 4532.5701318347. The cubic root of 20544192 is about 273.8817043116.

Adding to 20544192 its reverse (29144502), we get a palindrome (49688694).

It can be divided in two parts, 20544 and 192, that added together give a 4-th power (20736 = 12⁴).

The spelling of 20544192 in words is "twenty million, five hundred forty-four thousand, one hundred ninety-two".