20734325 has 12 divisors (see below), whose sum is σ = 25774020. Its totient is φ = 16546560.

The previous prime is 20734321. The next prime is 20734361. The reversal of 20734325 is 52343702.

It can be written as a sum of positive squares in 6 ways, for example, as 5414929 + 15319396 = 2327^2 + 3914^2 .

It is not a de Polignac number, because 20734325 - 2² = 20734321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20734294 and 20734303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20734321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13181 + ... + 14669.

It is an arithmetic number, because the mean of its divisors is an integer number (2147835).

Almost surely, 2^20734325 is an apocalyptic number.

20734325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20734325 is a deficient number, since it is larger than the sum of its proper divisors (5039695).

20734325 is a wasteful number, since it uses less digits than its factorization.

20734325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056 (or 2051 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 20734325 is about 4553.4959097379. The cubic root of 20734325 is about 274.7240206511.

The spelling of 20734325 in words is "twenty million, seven hundred thirty-four thousand, three hundred twenty-five".