25326220 has 24 divisors (see below), whose sum is σ = 55498464. Its totient is φ = 9689856.

The previous prime is 25326211. The next prime is 25326239. The reversal of 25326220 is 2262352.

It is a happy number.

It is a super-3 number, since 3×25326220³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25326191 and 25326200.

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, 27069 + ... + 27988.

It is an arithmetic number, because the mean of its divisors is an integer number (2312436).

Almost surely, 2^25326220 is an apocalyptic number.

25326220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25326220 is an abundant number, since it is smaller than the sum of its proper divisors (30172244).

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

25326220 is a wasteful number, since it uses less digits than its factorization.

25326220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55089 (or 55087 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 25326220 is about 5032.5162692236. The cubic root of 25326220 is about 293.6681123791.

Adding to 25326220 its reverse (2262352), we get a palindrome (27588572).

The spelling of 25326220 in words is "twenty-five million, three hundred twenty-six thousand, two hundred twenty".