25030020 has 48 divisors (see below), whose sum is σ = 72350208. Its totient is φ = 6458880.

The previous prime is 25030013. The next prime is 25030043. The reversal of 25030020 is 2003052.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 25029978 and 25030005.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4869 + ... + 8588.

It is an arithmetic number, because the mean of its divisors is an integer number (1507296).

Almost surely, 2^25030020 is an apocalyptic number.

25030020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25030020 is an abundant number, since it is smaller than the sum of its proper divisors (47320188).

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

25030020 is a wasteful number, since it uses less digits than its factorization.

25030020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13500 (or 13498 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 25030020 is about 5003.0010993403. The cubic root of 25030020 is about 292.5187656892.

Adding to 25030020 its reverse (2003052), we get a palindrome (27033072).

The spelling of 25030020 in words is "twenty-five million, thirty thousand, twenty".