242020799 has 4 divisors (see below), whose sum is σ = 242060280. Its totient is φ = 241981320.

The previous prime is 242020787. The next prime is 242020819. The reversal of 242020799 is 997020242.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242020799 - 2⁴ = 242020783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242020729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8357 + ... + 23534.

It is an arithmetic number, because the mean of its divisors is an integer number (60515070).

Almost surely, 2^242020799 is an apocalyptic number.

242020799 is a deficient number, since it is larger than the sum of its proper divisors (39481).

242020799 is an equidigital number, since it uses as much as digits as its factorization.

242020799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39480.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 242020799 is about 15557.0176769200. The cubic root of 242020799 is about 623.1858209153.

The spelling of 242020799 in words is "two hundred forty-two million, twenty thousand, seven hundred ninety-nine".