20244219 has 8 divisors (see below), whose sum is σ = 27013632. Its totient is φ = 13485480.

The previous prime is 20244199. The next prime is 20244239. The reversal of 20244219 is 91244202.

It is an interprime number because it is at equal distance from previous prime (20244199) and next prime (20244239).

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

It is not a de Polignac number, because 20244219 - 2⁵ = 20244187 is a prime.

It is a super-2 number, since 2×20244219² = 819656805839922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20244239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4554 + ... + 7824.

It is an arithmetic number, because the mean of its divisors is an integer number (3376704).

Almost surely, 2^20244219 is an apocalyptic number.

20244219 is a deficient number, since it is larger than the sum of its proper divisors (6769413).

20244219 is a wasteful number, since it uses less digits than its factorization.

20244219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5337.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 20244219 is about 4499.3576208166. The cubic root of 20244219 is about 272.5421487422.

The spelling of 20244219 in words is "twenty million, two hundred forty-four thousand, two hundred nineteen".