20340234202 has 8 divisors (see below), whose sum is σ = 30511060596. Its totient is φ = 10169880672.

The previous prime is 20340234199. The next prime is 20340234203. The reversal of 20340234202 is 20243204302.

It can be written as a sum of positive squares in 2 ways, for example, as 20266084881 + 74149321 = 142359^2 + 8611^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20340234203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23118 + ... + 203014.

Almost surely, 2^20340234202 is an apocalyptic number.

20340234202 is a deficient number, since it is larger than the sum of its proper divisors (10170826394).

20340234202 is a wasteful number, since it uses less digits than its factorization.

20340234202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236432.

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 20340234202 its reverse (20243204302), we get a palindrome (40583438504).

The spelling of 20340234202 in words is "twenty billion, three hundred forty million, two hundred thirty-four thousand, two hundred two".