20443211134042 has 8 divisors (see below), whose sum is σ = 30664836669600. Its totient is φ = 10221598910844.

The previous prime is 20443211134039. The next prime is 20443211134067. The reversal of 20443211134042 is 24043111234402.

It is a happy number.

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

It is a super-3 number, since 3×20443211134042³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20443211133995 and 20443211134013.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2681059 + ... + 6933577.

It is an arithmetic number, because the mean of its divisors is an integer number (3833104583700).

Almost surely, 2^{20443211134042} is an apocalyptic number.

20443211134042 is a deficient number, since it is larger than the sum of its proper divisors (10221625535558).

20443211134042 is a wasteful number, since it uses less digits than its factorization.

20443211134042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6656180.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 20443211134042 its reverse (24043111234402), we get a palindrome (44486322368444).

The spelling of 20443211134042 in words is "twenty trillion, four hundred forty-three billion, two hundred eleven million, one hundred thirty-four thousand, forty-two".