220312312304 has 40 divisors (see below), whose sum is σ = 503571007488. Its totient is φ = 91373768640.

The previous prime is 220312312279. The next prime is 220312312307. The reversal of 220312312304 is 403213213022.

220312312304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 220312312304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220312312307) 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, 31723532 + ... + 31730475.

Almost surely, 2^220312312304 is an apocalyptic number.

It is an amenable number.

220312312304 is an abundant number, since it is smaller than the sum of its proper divisors (283258695184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220312312304 is a wasteful number, since it uses less digits than its factorization.

220312312304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63454053 (or 63454047 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 220312312304 its reverse (403213213022), we get a palindrome (623525525326).

The spelling of 220312312304 in words is "two hundred twenty billion, three hundred twelve million, three hundred twelve thousand, three hundred four".