20332222223121 has 8 divisors (see below), whose sum is σ = 30121810700960. Its totient is φ = 13554814815396.

The previous prime is 20332222223119. The next prime is 20332222223213. The reversal of 20332222223121 is 12132222223302.

20332222223121 is a `hidden beast` number, since 2 + 0 + 3 + 322 + 2 + 2 + 22 + 312 + 1 = 666.

It is not a de Polignac number, because 20332222223121 - 2¹ = 20332222223119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 753045267523 = 20332222223121 / (2 + 0 + 3 + 3 + 2 + 2 + 2 + 2 + 2 + 2 + 3 + 1 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20332222223101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376522633735 + ... + 376522633788.

It is an arithmetic number, because the mean of its divisors is an integer number (3765226337620).

Almost surely, 2^{20332222223121} is an apocalyptic number.

It is an amenable number.

20332222223121 is a deficient number, since it is larger than the sum of its proper divisors (9789588477839).

20332222223121 is an equidigital number, since it uses as much as digits as its factorization.

20332222223121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753045267532 (or 753045267526 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 20332222223121 its reverse (12132222223302), we get a palindrome (32464444446423).

The spelling of 20332222223121 in words is "twenty trillion, three hundred thirty-two billion, two hundred twenty-two million, two hundred twenty-three thousand, one hundred twenty-one".