20212321133 has 8 divisors (see below), whose sum is σ = 21107115456. Its totient is φ = 19318860000.

The previous prime is 20212321117. The next prime is 20212321141. The reversal of 20212321133 is 33112321202.

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 20212321133 - 2⁴ = 20212321117 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212321153) 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, 302243 + ... + 363008.

It is an arithmetic number, because the mean of its divisors is an integer number (2638389432).

Almost surely, 2^20212321133 is an apocalyptic number.

20212321133 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20212321133 is a deficient number, since it is larger than the sum of its proper divisors (894794323).

20212321133 is a wasteful number, since it uses less digits than its factorization.

20212321133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666595.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20212321133 its reverse (33112321202), we get a palindrome (53324642335).

The spelling of 20212321133 in words is "twenty billion, two hundred twelve million, three hundred twenty-one thousand, one hundred thirty-three".