20527120 has 20 divisors (see below), whose sum is σ = 47725740. Its totient is φ = 8210816.

The previous prime is 20527093. The next prime is 20527127. The reversal of 20527120 is 2172502.

It can be written as a sum of positive squares in 2 ways, for example, as 6718464 + 13808656 = 2592^2 + 3716^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (20527127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128215 + ... + 128374.

It is an arithmetic number, because the mean of its divisors is an integer number (2386287).

Almost surely, 2^20527120 is an apocalyptic number.

20527120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20527120 is an abundant number, since it is smaller than the sum of its proper divisors (27198620).

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

20527120 is a wasteful number, since it uses less digits than its factorization.

20527120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256602 (or 256596 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 20527120 is about 4530.6864822011. The cubic root of 20527120 is about 273.8058190491.

Adding to 20527120 its reverse (2172502), we get a palindrome (22699622).

The spelling of 20527120 in words is "twenty million, five hundred twenty-seven thousand, one hundred twenty".