20455132340411 has 8 divisors (see below), whose sum is σ = 20483600616864. Its totient is φ = 20426674576320.

The previous prime is 20455132340353. The next prime is 20455132340441. The reversal of 20455132340411 is 11404323155402.

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 20455132340411 - 2¹⁰ = 20455132339387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20455132340441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1270271 + ... + 6521031.

It is an arithmetic number, because the mean of its divisors is an integer number (2560450077108).

Almost surely, 2^{20455132340411} is an apocalyptic number.

20455132340411 is a deficient number, since it is larger than the sum of its proper divisors (28468276453).

20455132340411 is an equidigital number, since it uses as much as digits as its factorization.

20455132340411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5256181.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 20455132340411 its reverse (11404323155402), we get a palindrome (31859455495813).

The spelling of 20455132340411 in words is "twenty trillion, four hundred fifty-five billion, one hundred thirty-two million, three hundred forty thousand, four hundred eleven".