20444121054354 has 16 divisors (see below), whose sum is σ = 40930351535520. Its totient is φ = 6807688780320.

The previous prime is 20444121054349. The next prime is 20444121054407. The reversal of 20444121054354 is 45345012144402.

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 7 ways as a sum of consecutive naturals, for example, 1754553139 + ... + 1754564790.

It is an arithmetic number, because the mean of its divisors is an integer number (2558146970970).

Almost surely, 2^{20444121054354} is an apocalyptic number.

20444121054354 is an abundant number, since it is smaller than the sum of its proper divisors (20486230481166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20444121054354 is a wasteful number, since it uses less digits than its factorization.

20444121054354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3509118905.

The product of its (nonzero) digits is 307200, while the sum is 39.

Adding to 20444121054354 its reverse (45345012144402), we get a palindrome (65789133198756).

The spelling of 20444121054354 in words is "twenty trillion, four hundred forty-four billion, one hundred twenty-one million, fifty-four thousand, three hundred fifty-four".