20325116 has 12 divisors (see below), whose sum is σ = 40650288. Its totient is φ = 8710752.

The previous prime is 20325113. The next prime is 20325131. The reversal of 20325116 is 61152302.

20325116 is an admirable number.

It is a super-2 number, since 2×20325116² = 826220680826912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20325113) 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 3 ways as a sum of consecutive naturals, for example, 362921 + ... + 362976.

It is an arithmetic number, because the mean of its divisors is an integer number (3387524).

Almost surely, 2^20325116 is an apocalyptic number.

It is an amenable number.

20325116 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20325116 is a wasteful number, since it uses less digits than its factorization.

20325116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725908 (or 725906 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 20325116 is about 4508.3384966083. The cubic root of 20325116 is about 272.9046973313.

Adding to 20325116 its reverse (61152302), we get a palindrome (81477418).

The spelling of 20325116 in words is "twenty million, three hundred twenty-five thousand, one hundred sixteen".