20024200242 has 16 divisors (see below), whose sum is σ = 44498222880. Its totient is φ = 6674733396.

The previous prime is 20024200151. The next prime is 20024200303. The reversal of 20024200242 is 24200242002.

20024200242 is a `hidden beast` number, since 2 + 0 + 0 + 2 + 420 + 0 + 242 = 666.

20024200242 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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, 185409208 + ... + 185409315.

It is an arithmetic number, because the mean of its divisors is an integer number (2781138930).

Almost surely, 2^20024200242 is an apocalyptic number.

20024200242 is an abundant number, since it is smaller than the sum of its proper divisors (24474022638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20024200242 is a wasteful number, since it uses less digits than its factorization.

20024200242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370818534 (or 370818528 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 20024200242 its reverse (24200242002), we get a palindrome (44224442244).

The spelling of 20024200242 in words is "twenty billion, twenty-four million, two hundred thousand, two hundred forty-two".