25152020 has 24 divisors (see below), whose sum is σ = 53491200. Its totient is φ = 9932832.

The previous prime is 25152013. The next prime is 25152031. The reversal of 25152020 is 2025152.

It is a super-2 number, since 2×25152020² = 1265248220160800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25152020.

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, 6380 + ... + 9539.

It is an arithmetic number, because the mean of its divisors is an integer number (2228800).

Almost surely, 2^25152020 is an apocalyptic number.

25152020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25152020 is an abundant number, since it is smaller than the sum of its proper divisors (28339180).

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

25152020 is a wasteful number, since it uses less digits than its factorization.

25152020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16007 (or 16005 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 25152020 is about 5015.1789599176. The cubic root of 25152020 is about 292.9932554447.

Adding to 25152020 its reverse (2025152), we get a palindrome (27177172).

The spelling of 25152020 in words is "twenty-five million, one hundred fifty-two thousand, twenty".