20042224042 has 16 divisors (see below), whose sum is σ = 30203481600. Its totient is φ = 9974437200.

The previous prime is 20042224009. The next prime is 20042224061. The reversal of 20042224042 is 24042224002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1133167 + ... + 1150717.

It is an arithmetic number, because the mean of its divisors is an integer number (1887717600).

Almost surely, 2^20042224042 is an apocalyptic number.

20042224042 is a deficient number, since it is larger than the sum of its proper divisors (10161257558).

20042224042 is a wasteful number, since it uses less digits than its factorization.

20042224042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20181.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 20042224042 its reverse (24042224002), we get a palindrome (44084448044).

The spelling of 20042224042 in words is "twenty billion, forty-two million, two hundred twenty-four thousand, forty-two".