20042225023442 has 16 divisors (see below), whose sum is σ = 30204178310400. Its totient is φ = 9974238886080.

The previous prime is 20042225023441. The next prime is 20042225023477. The reversal of 20042225023442 is 24432052224002.

It is a junction number, because it is equal to n+sod(n) for n = 20042225023399 and 20042225023408.

It is not an unprimeable number, because it can be changed into a prime (20042225023441) 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, 17777342 + ... + 18871097.

It is an arithmetic number, because the mean of its divisors is an integer number (1887761144400).

Almost surely, 2^{20042225023442} is an apocalyptic number.

20042225023442 is a deficient number, since it is larger than the sum of its proper divisors (10161953286958).

20042225023442 is a wasteful number, since it uses less digits than its factorization.

20042225023442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36649721.

The product of its (nonzero) digits is 61440, while the sum is 32.

Adding to 20042225023442 its reverse (24432052224002), we get a palindrome (44474277247444).

The spelling of 20042225023442 in words is "twenty trillion, forty-two billion, two hundred twenty-five million, twenty-three thousand, four hundred forty-two".