20325260 has 12 divisors (see below), whose sum is σ = 42683088. Its totient is φ = 8130096.

The previous prime is 20325257. The next prime is 20325301. The reversal of 20325260 is 6252302.

It is a happy number.

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: 1016263 = 20325260 / (2 + 0 + 3 + 2 + 5 + 2 + 6 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508112 + ... + 508151.

It is an arithmetic number, because the mean of its divisors is an integer number (3556924).

Almost surely, 2^20325260 is an apocalyptic number.

20325260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20325260 is an abundant number, since it is smaller than the sum of its proper divisors (22357828).

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

20325260 is a wasteful number, since it uses less digits than its factorization.

20325260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016272 (or 1016270 counting only the distinct ones).

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

The square root of 20325260 is about 4508.3544669868. The cubic root of 20325260 is about 272.9053418243.

Adding to 20325260 its reverse (6252302), we get a palindrome (26577562).

The spelling of 20325260 in words is "twenty million, three hundred twenty-five thousand, two hundred sixty".