20532125 has 16 divisors (see below), whose sum is σ = 25945920. Its totient is φ = 16219600.

The previous prime is 20532121. The next prime is 20532133. The reversal of 20532125 is 52123502.

It is not a de Polignac number, because 20532125 - 2² = 20532121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20532097 and 20532106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20532121) 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, 9386 + ... + 11364.

It is an arithmetic number, because the mean of its divisors is an integer number (1621620).

Almost surely, 2^20532125 is an apocalyptic number.

20532125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20532125 is a deficient number, since it is larger than the sum of its proper divisors (5413795).

20532125 is an equidigital number, since it uses as much as digits as its factorization.

20532125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2077 (or 2067 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 20532125 is about 4531.2387930896. The cubic root of 20532125 is about 273.8280706973.

Adding to 20532125 its reverse (52123502), we get a palindrome (72655627).

The spelling of 20532125 in words is "twenty million, five hundred thirty-two thousand, one hundred twenty-five".