20201011434401 has 16 divisors (see below), whose sum is σ = 23808689251200. Its totient is φ = 16779457115520.

The previous prime is 20201011434391. The next prime is 20201011434419. The reversal of 20201011434401 is 10443411010202.

It is a cyclic number.

It is not a de Polignac number, because 20201011434401 - 2¹⁰ = 20201011433377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20201011434431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236154551 + ... + 236240076.

It is an arithmetic number, because the mean of its divisors is an integer number (1488043078200).

Almost surely, 2^{20201011434401} is an apocalyptic number.

It is an amenable number.

20201011434401 is a deficient number, since it is larger than the sum of its proper divisors (3607677816799).

20201011434401 is a wasteful number, since it uses less digits than its factorization.

20201011434401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472394824.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 20201011434401 its reverse (10443411010202), we get a palindrome (30644422444603).

The spelling of 20201011434401 in words is "twenty trillion, two hundred one billion, eleven million, four hundred thirty-four thousand, four hundred one".