16625020 has 48 divisors (see below), whose sum is σ = 36177120. Its totient is φ = 6414336.

The previous prime is 16625009. The next prime is 16625023. The reversal of 16625020 is 2052661.

It is a junction number, because it is equal to n+sod(n) for n = 16624982 and 16625000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16625023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86044 + ... + 86236.

It is an arithmetic number, because the mean of its divisors is an integer number (753690).

Almost surely, 2^16625020 is an apocalyptic number.

16625020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16625020 is an abundant number, since it is smaller than the sum of its proper divisors (19552100).

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

16625020 is a wasteful number, since it uses less digits than its factorization.

16625020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 16625020 is about 4077.3790601316. The cubic root of 16625020 is about 255.2235384453.

Adding to 16625020 its reverse (2052661), we get a palindrome (18677681).

The spelling of 16625020 in words is "sixteen million, six hundred twenty-five thousand, twenty".