20434214020111 has 32 divisors (see below), whose sum is σ = 21492207452160. Its totient is φ = 19403135103744.

The previous prime is 20434214020109. The next prime is 20434214020201. The reversal of 20434214020111 is 11102041243402.

It is a cyclic number.

It is not a de Polignac number, because 20434214020111 - 2¹ = 20434214020109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20434214020411) 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, 229881571 + ... + 229970443.

It is an arithmetic number, because the mean of its divisors is an integer number (671631482880).

Almost surely, 2^{20434214020111} is an apocalyptic number.

20434214020111 is a deficient number, since it is larger than the sum of its proper divisors (1057993432049).

20434214020111 is a wasteful number, since it uses less digits than its factorization.

20434214020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89575.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 20434214020111 its reverse (11102041243402), we get a palindrome (31536255263513).

The spelling of 20434214020111 in words is "twenty trillion, four hundred thirty-four billion, two hundred fourteen million, twenty thousand, one hundred eleven".