20034365545121 has 4 divisors (see below), whose sum is σ = 20905424916672. Its totient is φ = 19163306173572.

The previous prime is 20034365545069. The next prime is 20034365545123. The reversal of 20034365545121 is 12154556343002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20034365545121 - 2⁶ = 20034365545057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20034365545123) 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, 435529685741 + ... + 435529685786.

It is an arithmetic number, because the mean of its divisors is an integer number (5226356229168).

Almost surely, 2^{20034365545121} is an apocalyptic number.

It is an amenable number.

20034365545121 is a deficient number, since it is larger than the sum of its proper divisors (871059371551).

20034365545121 is an equidigital number, since it uses as much as digits as its factorization.

20034365545121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871059371550.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 20034365545121 in words is "twenty trillion, thirty-four billion, three hundred sixty-five million, five hundred forty-five thousand, one hundred twenty-one".