20412140330213 has 4 divisors (see below), whose sum is σ = 20413891404780. Its totient is φ = 20410389255648.

The previous prime is 20412140330191. The next prime is 20412140330221. The reversal of 20412140330213 is 31203304121402.

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 18427290460804 + 1984849869409 = 4292702^2 + 1408847^2 .

It is a cyclic number.

It is not a de Polignac number, because 20412140330213 - 2¹² = 20412140326117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20412440330213) 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, 875519798 + ... + 875543111.

It is an arithmetic number, because the mean of its divisors is an integer number (5103472851195).

Almost surely, 2^{20412140330213} is an apocalyptic number.

It is an amenable number.

20412140330213 is a deficient number, since it is larger than the sum of its proper divisors (1751074567).

20412140330213 is a wasteful number, since it uses less digits than its factorization.

20412140330213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751074566.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 20412140330213 its reverse (31203304121402), we get a palindrome (51615444451615).

The spelling of 20412140330213 in words is "twenty trillion, four hundred twelve billion, one hundred forty million, three hundred thirty thousand, two hundred thirteen".