20416126330042 has 8 divisors (see below), whose sum is σ = 30700559046132. Its totient is φ = 10182606648000.

The previous prime is 20416126329941. The next prime is 20416126330043. The reversal of 20416126330042 is 24003362161402.

It can be written as a sum of positive squares in 2 ways, for example, as 19317862153681 + 1098264176361 = 4395209^2 + 1047981^2 .

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 (20416126330043) 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, 12728257509 + ... + 12728259112.

Almost surely, 2^{20416126330042} is an apocalyptic number.

20416126330042 is a deficient number, since it is larger than the sum of its proper divisors (10284432716090).

20416126330042 is a wasteful number, since it uses less digits than its factorization.

20416126330042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25456517024.

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 20416126330042 its reverse (24003362161402), we get a palindrome (44419488491444).

The spelling of 20416126330042 in words is "twenty trillion, four hundred sixteen billion, one hundred twenty-six million, three hundred thirty thousand, forty-two".