20442103042 has 8 divisors (see below), whose sum is σ = 31051296000. Its totient is φ = 10091671044.

The previous prime is 20442103037. The next prime is 20442103043. The reversal of 20442103042 is 24030124402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20442103043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64690042 + ... + 64690357.

It is an arithmetic number, because the mean of its divisors is an integer number (3881412000).

Almost surely, 2^20442103042 is an apocalyptic number.

20442103042 is a deficient number, since it is larger than the sum of its proper divisors (10609192958).

20442103042 is a wasteful number, since it uses less digits than its factorization.

20442103042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129380480.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 20442103042 its reverse (24030124402), we get a palindrome (44472227444).

The spelling of 20442103042 in words is "twenty billion, four hundred forty-two million, one hundred three thousand, forty-two".