16725020 has 24 divisors (see below), whose sum is σ = 37824864. Its totient is φ = 6175296.

The previous prime is 16724993. The next prime is 16725043. The reversal of 16725020 is 2052761.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31904 + ... + 32423.

It is an arithmetic number, because the mean of its divisors is an integer number (1576036).

Almost surely, 2^16725020 is an apocalyptic number.

16725020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16725020 is an abundant number, since it is smaller than the sum of its proper divisors (21099844).

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

16725020 is a wasteful number, since it uses less digits than its factorization.

16725020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64349 (or 64347 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 16725020 is about 4089.6234545493. The cubic root of 16725020 is about 255.7342416221.

Adding to 16725020 its reverse (2052761), we get a palindrome (18777781).

The spelling of 16725020 in words is "sixteen million, seven hundred twenty-five thousand, twenty".