20340304214 has 4 divisors (see below), whose sum is σ = 30510456324. Its totient is φ = 10170152106.

The previous prime is 20340304199. The next prime is 20340304247. The reversal of 20340304214 is 41240304302.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20340304214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5085076052 + ... + 5085076055.

It is an arithmetic number, because the mean of its divisors is an integer number (7627614081).

Almost surely, 2^20340304214 is an apocalyptic number.

20340304214 is a deficient number, since it is larger than the sum of its proper divisors (10170152110).

20340304214 is a wasteful number, since it uses less digits than its factorization.

20340304214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10170152109.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 20340304214 its reverse (41240304302), we get a palindrome (61580608516).

The spelling of 20340304214 in words is "twenty billion, three hundred forty million, three hundred four thousand, two hundred fourteen".