20117033601045 has 32 divisors (see below), whose sum is σ = 32561164287360. Its totient is φ = 10604538531840.

The previous prime is 20117033601037. The next prime is 20117033601131. The reversal of 20117033601045 is 54010633071102.

It is not a de Polignac number, because 20117033601045 - 2³ = 20117033601037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20117033600997 and 20117033601015.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 711390 + ... + 6382800.

It is an arithmetic number, because the mean of its divisors is an integer number (1017536383980).

Almost surely, 2^{20117033601045} is an apocalyptic number.

It is an amenable number.

20117033601045 is a deficient number, since it is larger than the sum of its proper divisors (12444130686315).

20117033601045 is a wasteful number, since it uses less digits than its factorization.

20117033601045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5674165.

The product of its (nonzero) digits is 15120, while the sum is 33.

Adding to 20117033601045 its reverse (54010633071102), we get a palindrome (74127666672147).

The spelling of 20117033601045 in words is "twenty trillion, one hundred seventeen billion, thirty-three million, six hundred one thousand, forty-five".