20134245 has 8 divisors (see below), whose sum is σ = 32214816. Its totient is φ = 10738256.

The previous prime is 20134241. The next prime is 20134291. The reversal of 20134245 is 54243102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20134245 - 2² = 20134241 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20134241) 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 7 ways as a sum of consecutive naturals, for example, 671127 + ... + 671156.

It is an arithmetic number, because the mean of its divisors is an integer number (4026852).

Almost surely, 2^20134245 is an apocalyptic number.

It is an amenable number.

20134245 is a deficient number, since it is larger than the sum of its proper divisors (12080571).

20134245 is a wasteful number, since it uses less digits than its factorization.

20134245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342291.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 20134245 is about 4487.1199003370. The cubic root of 20134245 is about 272.0477361792.

Adding to 20134245 its reverse (54243102), we get a palindrome (74377347).

The spelling of 20134245 in words is "twenty million, one hundred thirty-four thousand, two hundred forty-five".