20430030433312 has 24 divisors (see below), whose sum is σ = 42338549912400. Its totient is φ = 9677382836544.

The previous prime is 20430030433301. The next prime is 20430030433339. The reversal of 20430030433312 is 21333403003402.

It is a happy number.

It is a super-2 number, since 2×20430030433312² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16801011262 + ... + 16801012477.

It is an arithmetic number, because the mean of its divisors is an integer number (1764106246350).

Almost surely, 2^{20430030433312} is an apocalyptic number.

It is an amenable number.

20430030433312 is an abundant number, since it is smaller than the sum of its proper divisors (21908519479088).

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

20430030433312 is a wasteful number, since it uses less digits than its factorization.

20430030433312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33602023768 (or 33602023760 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 20430030433312 its reverse (21333403003402), we get a palindrome (41763433436714).

The spelling of 20430030433312 in words is "twenty trillion, four hundred thirty billion, thirty million, four hundred thirty-three thousand, three hundred twelve".