20042242304 has 36 divisors (see below), whose sum is σ = 45721369344. Its totient is φ = 8589531648.

The previous prime is 20042242279. The next prime is 20042242351. The reversal of 20042242304 is 40324224002.

It is a self number, because there is not a number n which added to its sum of digits gives 20042242304.

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 3 ways as a sum of consecutive naturals, for example, 5590352 + ... + 5593935.

Almost surely, 2^20042242304 is an apocalyptic number.

It is an amenable number.

20042242304 is an abundant number, since it is smaller than the sum of its proper divisors (25679127040).

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

20042242304 is an equidigital number, since it uses as much as digits as its factorization.

20042242304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11184310 (or 11184296 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 20042242304 its reverse (40324224002), we get a palindrome (60366466306).

The spelling of 20042242304 in words is "twenty billion, forty-two million, two hundred forty-two thousand, three hundred four".