20430412012 has 24 divisors (see below), whose sum is σ = 36632402352. Its totient is φ = 9964108800.

The previous prime is 20430411983. The next prime is 20430412049. The reversal of 20430412012 is 21021403402.

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, 1193788 + ... + 1210780.

It is an arithmetic number, because the mean of its divisors is an integer number (1526350098).

Almost surely, 2^20430412012 is an apocalyptic number.

It is an amenable number.

20430412012 is a deficient number, since it is larger than the sum of its proper divisors (16201990340).

20430412012 is a wasteful number, since it uses less digits than its factorization.

20430412012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24369 (or 24367 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20430412012 its reverse (21021403402), we get a palindrome (41451815414).

The spelling of 20430412012 in words is "twenty billion, four hundred thirty million, four hundred twelve thousand, twelve".