20430211343312 has 20 divisors (see below), whose sum is σ = 39585244403040. Its totient is φ = 10214664400608.

The previous prime is 20430211343261. The next prime is 20430211343327. The reversal of 20430211343312 is 21334311203402.

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 3 ways as a sum of consecutive naturals, for example, 27197318 + ... + 27938405.

It is an arithmetic number, because the mean of its divisors is an integer number (1979262220152).

Almost surely, 2^{20430211343312} is an apocalyptic number.

It is an amenable number.

20430211343312 is a deficient number, since it is larger than the sum of its proper divisors (19155033059728).

20430211343312 is a wasteful number, since it uses less digits than its factorization.

20430211343312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55158890 (or 55158884 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 20430211343312 its reverse (21334311203402), we get a palindrome (41764522546714).

The spelling of 20430211343312 in words is "twenty trillion, four hundred thirty billion, two hundred eleven million, three hundred forty-three thousand, three hundred twelve".