20244417 has 8 divisors (see below), whose sum is σ = 27024096. Its totient is φ = 13480512.

The previous prime is 20244409. The next prime is 20244431. The reversal of 20244417 is 71444202.

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

It is not a de Polignac number, because 20244417 - 2³ = 20244409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20244317) 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, 523 + ... + 6384.

It is an arithmetic number, because the mean of its divisors is an integer number (3378012).

Almost surely, 2^20244417 is an apocalyptic number.

It is an amenable number.

20244417 is a deficient number, since it is larger than the sum of its proper divisors (6779679).

20244417 is an equidigital number, since it uses as much as digits as its factorization.

20244417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7887.

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 20244417 is about 4499.3796239037. The cubic root of 20244417 is about 272.5430372785.

Adding to 20244417 its reverse (71444202), we get a palindrome (91688619).

It can be divided in two parts, 2024 and 4417, that added together give a triangular number (6441 = T₁₁₃).

The spelling of 20244417 in words is "twenty million, two hundred forty-four thousand, four hundred seventeen".