20003121403141 has 4 divisors (see below), whose sum is σ = 20227875576300. Its totient is φ = 19778367229984.

The previous prime is 20003121403103. The next prime is 20003121403159. The reversal of 20003121403141 is 14130412130002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4835913263041 + 15167208140100 = 2199071^2 + 3894510^2 .

It is a cyclic number.

It is not a de Polignac number, because 20003121403141 - 2⁹ = 20003121402629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003121403171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112377086446 + ... + 112377086623.

It is an arithmetic number, because the mean of its divisors is an integer number (5056968894075).

Almost surely, 2^{20003121403141} is an apocalyptic number.

It is an amenable number.

20003121403141 is a deficient number, since it is larger than the sum of its proper divisors (224754173159).

20003121403141 is an equidigital number, since it uses as much as digits as its factorization.

20003121403141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224754173158.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 20003121403141 its reverse (14130412130002), we get a palindrome (34133533533143).

The spelling of 20003121403141 in words is "twenty trillion, three billion, one hundred twenty-one million, four hundred three thousand, one hundred forty-one".