20240219 has 2 divisors, whose sum is σ = 20240220. Its totient is φ = 20240218.

The previous prime is 20240197. The next prime is 20240257. The reversal of 20240219 is 91204202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20240219 - 2¹² = 20236123 is a prime.

It is a super-2 number, since 2×20240219² = 819332930335922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20240219.

It is not a weakly prime, because it can be changed into another prime (20240279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10120109 + 10120110.

It is an arithmetic number, because the mean of its divisors is an integer number (10120110).

Almost surely, 2^20240219 is an apocalyptic number.

20240219 is a deficient number, since it is larger than the sum of its proper divisors (1).

20240219 is an equidigital number, since it uses as much as digits as its factorization.

20240219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 20240219 is about 4498.9130909587. The cubic root of 20240219 is about 272.5241972733.

The spelling of 20240219 in words is "twenty million, two hundred forty thousand, two hundred nineteen".