20340434214 has 24 divisors (see below), whose sum is σ = 44088316272. Its totient is φ = 6777471600.

The previous prime is 20340434189. The next prime is 20340434221. The reversal of 20340434214 is 41243404302.

It is a happy number.

20340434214 is a `hidden beast` number, since 203 + 4 + 0 + 434 + 21 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175569 + ... + 267404.

It is an arithmetic number, because the mean of its divisors is an integer number (1837013178).

Almost surely, 2^20340434214 is an apocalyptic number.

20340434214 is an abundant number, since it is smaller than the sum of its proper divisors (23747882058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20340434214 is a wasteful number, since it uses less digits than its factorization.

20340434214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445532 (or 445529 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 20340434214 its reverse (41243404302), we get a palindrome (61583838516).

The spelling of 20340434214 in words is "twenty billion, three hundred forty million, four hundred thirty-four thousand, two hundred fourteen".