20314042405205 has 8 divisors (see below), whose sum is σ = 24376881181752. Its totient is φ = 16251213727168.

The previous prime is 20314042405193. The next prime is 20314042405211. The reversal of 20314042405205 is 50250424041302.

It can be written as a sum of positive squares in 4 ways, for example, as 9120454360081 + 11193588045124 = 3020009^2 + 3345682^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20314042405205 - 2⁶ = 20314042405141 is a prime.

It is a super-2 number, since 2×20314042405205² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2999867 + ... + 7044663.

It is an arithmetic number, because the mean of its divisors is an integer number (3047110147719).

Almost surely, 2^{20314042405205} is an apocalyptic number.

It is an amenable number.

20314042405205 is a deficient number, since it is larger than the sum of its proper divisors (4062838776547).

20314042405205 is a wasteful number, since it uses less digits than its factorization.

20314042405205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5049255.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 20314042405205 its reverse (50250424041302), we get a palindrome (70564466446507).

The spelling of 20314042405205 in words is "twenty trillion, three hundred fourteen billion, forty-two million, four hundred five thousand, two hundred five".