20012333322021 has 64 divisors (see below), whose sum is σ = 28905718302720. Its totient is φ = 12274088509440.

The previous prime is 20012333321993. The next prime is 20012333322083. The reversal of 20012333322021 is 12022333321002.

It is a de Polignac number, because none of the positive numbers 2^k-20012333322021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20012333321982 and 20012333322000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012333322721) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 869069710 + ... + 869092736.

It is an arithmetic number, because the mean of its divisors is an integer number (451651848480).

Almost surely, 2^{20012333322021} is an apocalyptic number.

It is an amenable number.

20012333322021 is a deficient number, since it is larger than the sum of its proper divisors (8893384980699).

20012333322021 is a wasteful number, since it uses less digits than its factorization.

20012333322021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24794.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 20012333322021 its reverse (12022333321002), we get a palindrome (32034666643023).

The spelling of 20012333322021 in words is "twenty trillion, twelve billion, three hundred thirty-three million, three hundred twenty-two thousand, twenty-one".