20884325 has 48 divisors (see below), whose sum is σ = 34045440. Its totient is φ = 12312000.

The previous prime is 20884307. The next prime is 20884327. The reversal of 20884325 is 52348802.

It is not a de Polignac number, because 20884325 - 2¹⁶ = 20818789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20884291 and 20884300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20884327) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36290 + ... + 36860.

It is an arithmetic number, because the mean of its divisors is an integer number (709280).

Almost surely, 2^20884325 is an apocalyptic number.

20884325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20884325 is a deficient number, since it is larger than the sum of its proper divisors (13161115).

20884325 is a wasteful number, since it uses less digits than its factorization.

20884325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 20884325 is about 4569.9370892825. The cubic root of 20884325 is about 275.3849155306.

The spelling of 20884325 in words is "twenty million, eight hundred eighty-four thousand, three hundred twenty-five".