20433127605121 has 16 divisors (see below), whose sum is σ = 25475252871168. Its totient is φ = 15921802184400.

The previous prime is 20433127605119. The next prime is 20433127605133. The reversal of 20433127605121 is 12150672133402.

It is not a de Polignac number, because 20433127605121 - 2¹ = 20433127605119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20433127605721) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 10629216 + ... + 12403486.

It is an arithmetic number, because the mean of its divisors is an integer number (1592203304448).

Almost surely, 2^{20433127605121} is an apocalyptic number.

It is an amenable number.

20433127605121 is a deficient number, since it is larger than the sum of its proper divisors (5042125266047).

20433127605121 is a wasteful number, since it uses less digits than its factorization.

20433127605121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1923852.

The product of its (nonzero) digits is 60480, while the sum is 37.

Adding to 20433127605121 its reverse (12150672133402), we get a palindrome (32583799738523).

The spelling of 20433127605121 in words is "twenty trillion, four hundred thirty-three billion, one hundred twenty-seven million, six hundred five thousand, one hundred twenty-one".