20212312033 has 8 divisors (see below), whose sum is σ = 21221369280. Its totient is φ = 19224060240.

The previous prime is 20212311991. The next prime is 20212312079. The reversal of 20212312033 is 33021321202.

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

It is a cyclic number.

It is not a de Polignac number, because 20212312033 - 2⁹ = 20212311521 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20212312033.

It is not an unprimeable number, because it can be changed into a prime (20212312633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5199373 + ... + 5203258.

It is an arithmetic number, because the mean of its divisors is an integer number (2652671160).

Almost surely, 2^20212312033 is an apocalyptic number.

It is an amenable number.

20212312033 is a deficient number, since it is larger than the sum of its proper divisors (1009057247).

20212312033 is a wasteful number, since it uses less digits than its factorization.

20212312033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10402727.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20212312033 its reverse (33021321202), we get a palindrome (53233633235).

The spelling of 20212312033 in words is "twenty billion, two hundred twelve million, three hundred twelve thousand, thirty-three".