20302404311 has 8 divisors (see below), whose sum is σ = 23231435040. Its totient is φ = 17380545408.

The previous prime is 20302404259. The next prime is 20302404329. The reversal of 20302404311 is 11340420302.

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 20302404311 - 2¹⁰ = 20302403287 is a prime.

It is a super-2 number, since 2×20302404311² (a number of 21 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 (20302404341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1786886 + ... + 1798211.

It is an arithmetic number, because the mean of its divisors is an integer number (2903929380).

Almost surely, 2^20302404311 is an apocalyptic number.

20302404311 is a deficient number, since it is larger than the sum of its proper divisors (2929030729).

20302404311 is an equidigital number, since it uses as much as digits as its factorization.

20302404311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3585913.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20302404311 its reverse (11340420302), we get a palindrome (31642824613).

The spelling of 20302404311 in words is "twenty billion, three hundred two million, four hundred four thousand, three hundred eleven".