20710325 has 12 divisors (see below), whose sum is σ = 26510208. Its totient is φ = 16033200.

The previous prime is 20710309. The next prime is 20710331. The reversal of 20710325 is 52301702.

It is not a de Polignac number, because 20710325 - 2⁴ = 20710309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20710297 and 20710306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12587 + ... + 14136.

It is an arithmetic number, because the mean of its divisors is an integer number (2209184).

Almost surely, 2^20710325 is an apocalyptic number.

20710325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20710325 is a deficient number, since it is larger than the sum of its proper divisors (5799883).

20710325 is a wasteful number, since it uses less digits than its factorization.

20710325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26764 (or 26759 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 20710325 is about 4550.8598088713. The cubic root of 20710325 is about 274.6179819596.

The spelling of 20710325 in words is "twenty million, seven hundred ten thousand, three hundred twenty-five".