20342204403111 has 32 divisors (see below), whose sum is σ = 30164872221440. Its totient is φ = 13548750184800.

The previous prime is 20342204403083. The next prime is 20342204403149. The reversal of 20342204403111 is 11130440224302.

20342204403111 is a `hidden beast` number, since 2 + 0 + 3 + 42 + 204 + 403 + 1 + 11 = 666.

It is not a de Polignac number, because 20342204403111 - 2⁹ = 20342204402599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20342204403161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 229000941 + ... + 229089753.

It is an arithmetic number, because the mean of its divisors is an integer number (942652256920).

Almost surely, 2^{20342204403111} is an apocalyptic number.

20342204403111 is a deficient number, since it is larger than the sum of its proper divisors (9822667818329).

20342204403111 is a wasteful number, since it uses less digits than its factorization.

20342204403111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96684 (or 96678 counting only the distinct ones).

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

Adding to 20342204403111 its reverse (11130440224302), we get a palindrome (31472644627413).

The spelling of 20342204403111 in words is "twenty trillion, three hundred forty-two billion, two hundred four million, four hundred three thousand, one hundred eleven".