20411343021001 has 4 divisors (see below), whose sum is σ = 20411723606400. Its totient is φ = 20410962435604.

The previous prime is 20411343020977. The next prime is 20411343021007. The reversal of 20411343021001 is 10012034311402.

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 20411343021001 - 2²¹ = 20411340923849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20411343021007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190212241 + ... + 190319518.

It is an arithmetic number, because the mean of its divisors is an integer number (5102930901600).

Almost surely, 2^{20411343021001} is an apocalyptic number.

It is an amenable number.

20411343021001 is a deficient number, since it is larger than the sum of its proper divisors (380585399).

20411343021001 is an equidigital number, since it uses as much as digits as its factorization.

20411343021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380585398.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 20411343021001 its reverse (10012034311402), we get a palindrome (30423377332403).

The spelling of 20411343021001 in words is "twenty trillion, four hundred eleven billion, three hundred forty-three million, twenty-one thousand, one".