20331320322230 has 16 divisors (see below), whose sum is σ = 36760485896064. Its totient is φ = 8096059392000.

The previous prime is 20331320322227. The next prime is 20331320322263. The reversal of 20331320322230 is 3222302313302.

It is a self number, because there is not a number n which added to its sum of digits gives 20331320322230.

It is a congruent number.

It is an unprimeable number.

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, 4558589771 + ... + 4558594230.

It is an arithmetic number, because the mean of its divisors is an integer number (2297530368504).

Almost surely, 2^{20331320322230} is an apocalyptic number.

20331320322230 is a deficient number, since it is larger than the sum of its proper divisors (16429165573834).

20331320322230 is a wasteful number, since it uses less digits than its factorization.

20331320322230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9117184231.

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 20331320322230 its reverse (3222302313302), we get a palindrome (23553622635532).

The spelling of 20331320322230 in words is "twenty trillion, three hundred thirty-one billion, three hundred twenty million, three hundred twenty-two thousand, two hundred thirty".