25326020 has 12 divisors (see below), whose sum is σ = 53184684. Its totient is φ = 10130400.

The previous prime is 25325981. The next prime is 25326023. The reversal of 25326020 is 2062352.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19784704 + 5541316 = 4448^2 + 2354^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1266301 = 25326020 / (2 + 5 + 3 + 2 + 6 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 25325983 and 25326001.

It is not an unprimeable number, because it can be changed into a prime (25326023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633131 + ... + 633170.

It is an arithmetic number, because the mean of its divisors is an integer number (4432057).

Almost surely, 2^25326020 is an apocalyptic number.

25326020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25326020 is an abundant number, since it is smaller than the sum of its proper divisors (27858664).

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

25326020 is a wasteful number, since it uses less digits than its factorization.

25326020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266310 (or 1266308 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 25326020 is about 5032.4963984090. The cubic root of 25326020 is about 293.6673393492.

Adding to 25326020 its reverse (2062352), we get a palindrome (27388372).

The spelling of 25326020 in words is "twenty-five million, three hundred twenty-six thousand, twenty".