20000312222340 has 24 divisors (see below), whose sum is σ = 56000874222720. Its totient is φ = 5333416592608.

The previous prime is 20000312222339. The next prime is 20000312222351. The reversal of 20000312222340 is 4322221300002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166669268460 + ... + 166669268579.

It is an arithmetic number, because the mean of its divisors is an integer number (2333369759280).

Almost surely, 2^{20000312222340} is an apocalyptic number.

20000312222340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20000312222340 is an abundant number, since it is smaller than the sum of its proper divisors (36000562000380).

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

20000312222340 is a wasteful number, since it uses less digits than its factorization.

20000312222340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333338537051 (or 333338537049 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20000312222340 its reverse (4322221300002), we get a palindrome (24322533522342).

The spelling of 20000312222340 in words is "twenty trillion, three hundred twelve million, two hundred twenty-two thousand, three hundred forty".