20116025 has 12 divisors (see below), whose sum is σ = 25011792. Its totient is φ = 16049040.

The previous prime is 20116021. The next prime is 20116039. The reversal of 20116025 is 52061102.

It is not a de Polignac number, because 20116025 - 2² = 20116021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20115994 and 20116012.

It is not an unprimeable number, because it can be changed into a prime (20116021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10814 + ... + 12536.

It is an arithmetic number, because the mean of its divisors is an integer number (2084316).

Almost surely, 2^20116025 is an apocalyptic number.

20116025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20116025 is a deficient number, since it is larger than the sum of its proper divisors (4895767).

20116025 is a wasteful number, since it uses less digits than its factorization.

20116025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2200 (or 2195 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 20116025 is about 4485.0891852894. The cubic root of 20116025 is about 271.9656503985.

Adding to 20116025 its reverse (52061102), we get a palindrome (72177127).

The spelling of 20116025 in words is "twenty million, one hundred sixteen thousand, twenty-five".