204022019 has 8 divisors (see below), whose sum is σ = 215782080. Its totient is φ = 192364200.

The previous prime is 204022001. The next prime is 204022043. The reversal of 204022019 is 910220402.

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 204022019 - 2¹² = 204017923 is a prime.

It is a super-2 number, since 2×204022019² = 83249968473672722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204022619) 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, 21437 + ... + 29454.

It is an arithmetic number, because the mean of its divisors is an integer number (26972760).

Almost surely, 2^204022019 is an apocalyptic number.

204022019 is a deficient number, since it is larger than the sum of its proper divisors (11760061).

204022019 is a wasteful number, since it uses less digits than its factorization.

204022019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51121.

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

The square root of 204022019 is about 14283.6276554662. The cubic root of 204022019 is about 588.6977107769.

The spelling of 204022019 in words is "two hundred four million, twenty-two thousand, nineteen".