20413203444442 has 8 divisors (see below), whose sum is σ = 30988718482176. Its totient is φ = 10083630617052.

The previous prime is 20413203444329. The next prime is 20413203444449. The reversal of 20413203444442 is 24444430231402.

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 (20413203444449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61485552378 + ... + 61485552709.

It is an arithmetic number, because the mean of its divisors is an integer number (3873589810272).

Almost surely, 2^{20413203444442} is an apocalyptic number.

20413203444442 is a deficient number, since it is larger than the sum of its proper divisors (10575515037734).

20413203444442 is a wasteful number, since it uses less digits than its factorization.

20413203444442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122971105172.

The product of its (nonzero) digits is 294912, while the sum is 37.

Adding to 20413203444442 its reverse (24444430231402), we get a palindrome (44857633675844).

The spelling of 20413203444442 in words is "twenty trillion, four hundred thirteen billion, two hundred three million, four hundred forty-four thousand, four hundred forty-two".