20468725 has 12 divisors (see below), whose sum is σ = 25542016. Its totient is φ = 16271280.

The previous prime is 20468671. The next prime is 20468729. The reversal of 20468725 is 52786402.

It is not a de Polignac number, because 20468725 - 2⁹ = 20468213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20468729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1564 + ... + 6586.

Almost surely, 2^20468725 is an apocalyptic number.

20468725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20468725 is a deficient number, since it is larger than the sum of its proper divisors (5073291).

20468725 is a wasteful number, since it uses less digits than its factorization.

20468725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5196 (or 5191 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 20468725 is about 4524.2375048178. The cubic root of 20468725 is about 273.5459339735.

The spelling of 20468725 in words is "twenty million, four hundred sixty-eight thousand, seven hundred twenty-five".