20246325 has 72 divisors (see below), whose sum is σ = 38789184. Its totient is φ = 9292800.

The previous prime is 20246309. The next prime is 20246329. The reversal of 20246325 is 52364202.

It is not a de Polignac number, because 20246325 - 2⁴ = 20246309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20246295 and 20246304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20246329) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 208677 + ... + 208773.

Almost surely, 2^20246325 is an apocalyptic number.

20246325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20246325 is a deficient number, since it is larger than the sum of its proper divisors (18542859).

20246325 is a wasteful number, since it uses less digits than its factorization.

20246325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 20246325 is about 4499.5916481388. The cubic root of 20246325 is about 272.5515992404.

The spelling of 20246325 in words is "twenty million, two hundred forty-six thousand, three hundred twenty-five".