20111332526242 has 8 divisors (see below), whose sum is σ = 30167127827100. Its totient is φ = 10055623250544.

The previous prime is 20111332526221. The next prime is 20111332526251. The reversal of 20111332526242 is 24262523311102.

It can be written as a sum of positive squares in 2 ways, for example, as 19082647720161 + 1028684806081 = 4368369^2 + 1014241^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 20111332526198 and 20111332526207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20918617 + ... + 21858892.

Almost surely, 2^{20111332526242} is an apocalyptic number.

20111332526242 is a deficient number, since it is larger than the sum of its proper divisors (10055795300858).

20111332526242 is a wasteful number, since it uses less digits than its factorization.

20111332526242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43012580.

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 20111332526242 its reverse (24262523311102), we get a palindrome (44373855837344).

The spelling of 20111332526242 in words is "twenty trillion, one hundred eleven billion, three hundred thirty-two million, five hundred twenty-six thousand, two hundred forty-two".