20012133234 has 8 divisors (see below), whose sum is σ = 40024266480. Its totient is φ = 6670711076.

The previous prime is 20012133223. The next prime is 20012133247. The reversal of 20012133234 is 43233121002.

It is a sphenic number, since it is the product of 3 distinct primes.

20012133234 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 20012133234.

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 3 ways as a sum of consecutive naturals, for example, 1667677764 + ... + 1667677775.

It is an arithmetic number, because the mean of its divisors is an integer number (5003033310).

Almost surely, 2^20012133234 is an apocalyptic number.

20012133234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20012133234 is a wasteful number, since it uses less digits than its factorization.

20012133234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335355544.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20012133234 its reverse (43233121002), we get a palindrome (63245254236).

The spelling of 20012133234 in words is "twenty billion, twelve million, one hundred thirty-three thousand, two hundred thirty-four".