20142120210313 has 4 divisors (see below), whose sum is σ = 20205660022020. Its totient is φ = 20078580398608.

The previous prime is 20142120210307. The next prime is 20142120210343. The reversal of 20142120210313 is 31301202124102.

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 10994350587529 + 9147769622784 = 3315773^2 + 3024528^2 .

It is a cyclic number.

It is not a de Polignac number, because 20142120210313 - 2²⁹ = 20141583339401 is a prime.

It is a super-2 number, since 2×20142120210313² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20142120210343) 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, 31769905378 + ... + 31769906011.

It is an arithmetic number, because the mean of its divisors is an integer number (5051415005505).

Almost surely, 2^{20142120210313} is an apocalyptic number.

It is an amenable number.

20142120210313 is a deficient number, since it is larger than the sum of its proper divisors (63539811707).

20142120210313 is an equidigital number, since it uses as much as digits as its factorization.

20142120210313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63539811706.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 20142120210313 its reverse (31301202124102), we get a palindrome (51443322334415).

The spelling of 20142120210313 in words is "twenty trillion, one hundred forty-two billion, one hundred twenty million, two hundred ten thousand, three hundred thirteen".