20340121301 has 4 divisors (see below), whose sum is σ = 20340929004. Its totient is φ = 20339313600.

The previous prime is 20340121289. The next prime is 20340121331. The reversal of 20340121301 is 10312104302.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20213446276 + 126675025 = 142174^2 + 11255^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20340121301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20340121301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20340121331) 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, 364820 + ... + 416861.

It is an arithmetic number, because the mean of its divisors is an integer number (5085232251).

Almost surely, 2^20340121301 is an apocalyptic number.

It is an amenable number.

20340121301 is a deficient number, since it is larger than the sum of its proper divisors (807703).

20340121301 is an equidigital number, since it uses as much as digits as its factorization.

20340121301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807702.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20340121301 its reverse (10312104302), we get a palindrome (30652225603).

The spelling of 20340121301 in words is "twenty billion, three hundred forty million, one hundred twenty-one thousand, three hundred one".