20760325 has 6 divisors (see below), whose sum is σ = 25742834. Its totient is φ = 16608240.

The previous prime is 20760307. The next prime is 20760347. The reversal of 20760325 is 52306702.

It can be written as a sum of positive squares in 3 ways, for example, as 1811716 + 18948609 = 1346^2 + 4353^2 .

It is not a de Polignac number, because 20760325 - 2⁷ = 20760197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 830413 = 20760325 / (2 + 0 + 7 + 6 + 0 + 3 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20760325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 415182 + ... + 415231.

Almost surely, 2^20760325 is an apocalyptic number.

20760325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20760325 is a deficient number, since it is larger than the sum of its proper divisors (4982509).

20760325 is an equidigital number, since it uses as much as digits as its factorization.

20760325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830423 (or 830418 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 20760325 is about 4556.3499646098. The cubic root of 20760325 is about 274.8388036018.

The spelling of 20760325 in words is "twenty million, seven hundred sixty thousand, three hundred twenty-five".