20020311312230 has 16 divisors (see below), whose sum is σ = 36150240368880. Its totient is φ = 7982862301152.

The previous prime is 20020311312173. The next prime is 20020311312247. The reversal of 20020311312230 is 3221311302002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3157774640 + ... + 3157780979.

It is an arithmetic number, because the mean of its divisors is an integer number (2259390023055).

Almost surely, 2^{20020311312230} is an apocalyptic number.

20020311312230 is a deficient number, since it is larger than the sum of its proper divisors (16129929056650).

20020311312230 is a wasteful number, since it uses less digits than its factorization.

20020311312230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6315555943.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20020311312230 its reverse (3221311302002), we get a palindrome (23241622614232).

The spelling of 20020311312230 in words is "twenty trillion, twenty billion, three hundred eleven million, three hundred twelve thousand, two hundred thirty".