20304220331411 has 8 divisors (see below), whose sum is σ = 20345716154400. Its totient is φ = 20262749839488.

The previous prime is 20304220331389. The next prime is 20304220331471. The reversal of 20304220331411 is 11413302240302.

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 20304220331411 - 2¹⁸ = 20304220069267 is a prime.

It is a super-2 number, since 2×20304220331411² (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 (20304220331471) 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, 4727606 + ... + 7934651.

It is an arithmetic number, because the mean of its divisors is an integer number (2543214519300).

Almost surely, 2^{20304220331411} is an apocalyptic number.

20304220331411 is a deficient number, since it is larger than the sum of its proper divisors (41495822989).

20304220331411 is a wasteful number, since it uses less digits than its factorization.

20304220331411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12665533.

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

Adding to 20304220331411 its reverse (11413302240302), we get a palindrome (31717522571713).

The spelling of 20304220331411 in words is "twenty trillion, three hundred four billion, two hundred twenty million, three hundred thirty-one thousand, four hundred eleven".