20075434422912 has 256 divisors, whose sum is σ = 64700247830400. Its totient is φ = 6077494886400.

The previous prime is 20075434422877. The next prime is 20075434422917. The reversal of 20075434422912 is 21922443457002.

20075434422912 is a `hidden beast` number, since 2 + 0 + 0 + 75 + 4 + 344 + 229 + 12 = 666.

It is not an unprimeable number, because it can be changed into a prime (20075434422917) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38555728 + ... + 39072944.

Almost surely, 2^{20075434422912} is an apocalyptic number.

20075434422912 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20075434422912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32350123915200).

20075434422912 is an abundant number, since it is smaller than the sum of its proper divisors (44624813407488).

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

20075434422912 is a wasteful number, since it uses less digits than its factorization.

20075434422912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518272 (or 518254 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

Adding to 20075434422912 its reverse (21922443457002), we get a palindrome (41997877879914).

The spelling of 20075434422912 in words is "twenty trillion, seventy-five billion, four hundred thirty-four million, four hundred twenty-two thousand, nine hundred twelve".