20320212042311 has 8 divisors (see below), whose sum is σ = 20451534028464. Its totient is φ = 20189312994240.

The previous prime is 20320212042281. The next prime is 20320212042397. The reversal of 20320212042311 is 11324021202302.

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

It is a cyclic number.

It is not a de Polignac number, because 20320212042311 - 2¹⁰ = 20320212041287 is a prime.

It is a super-2 number, since 2×20320212042311² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20320212042511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105638120 + ... + 105830301.

It is an arithmetic number, because the mean of its divisors is an integer number (2556441753558).

Almost surely, 2^{20320212042311} is an apocalyptic number.

20320212042311 is a deficient number, since it is larger than the sum of its proper divisors (131321986153).

20320212042311 is a wasteful number, since it uses less digits than its factorization.

20320212042311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211469041.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20320212042311 its reverse (11324021202302), we get a palindrome (31644233244613).

The spelling of 20320212042311 in words is "twenty trillion, three hundred twenty billion, two hundred twelve million, forty-two thousand, three hundred eleven".