20294449 has 8 divisors (see below), whose sum is σ = 23234688. Its totient is φ = 17364480.

The previous prime is 20294431. The next prime is 20294453. The reversal of 20294449 is 94449202.

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

It is not a de Polignac number, because 20294449 - 2⁷ = 20294321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20294479) 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, 2289 + ... + 6769.

It is an arithmetic number, because the mean of its divisors is an integer number (2904336).

Almost surely, 2^20294449 is an apocalyptic number.

It is an amenable number.

20294449 is a deficient number, since it is larger than the sum of its proper divisors (2940239).

20294449 is an equidigital number, since it uses as much as digits as its factorization.

20294449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5135.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 20294449 is about 4504.9360705786. The cubic root of 20294449 is about 272.7673732921.

The spelling of 20294449 in words is "twenty million, two hundred ninety-four thousand, four hundred forty-nine".