20320442110413 has 12 divisors (see below), whose sum is σ = 29905556314140. Its totient is φ = 13291358361216.

The previous prime is 20320442110369. The next prime is 20320442110417. The reversal of 20320442110413 is 31401124402302.

20320442110413 is a `hidden beast` number, since 2 + 0 + 3 + 204 + 42 + 1 + 1 + 0 + 413 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 17799977876004 + 2520464234409 = 4219002^2 + 1587597^2 .

It is not a de Polignac number, because 20320442110413 - 2¹⁰ = 20320442109389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20320442110417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21300253308 + ... + 21300254261.

It is an arithmetic number, because the mean of its divisors is an integer number (2492129692845).

Almost surely, 2^{20320442110413} is an apocalyptic number.

It is an amenable number.

20320442110413 is a deficient number, since it is larger than the sum of its proper divisors (9585114203727).

20320442110413 is a wasteful number, since it uses less digits than its factorization.

20320442110413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42600507628 (or 42600507625 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 20320442110413 its reverse (31401124402302), we get a palindrome (51721566512715).

The spelling of 20320442110413 in words is "twenty trillion, three hundred twenty billion, four hundred forty-two million, one hundred ten thousand, four hundred thirteen".