20223302121 has 24 divisors (see below), whose sum is σ = 32728298304. Its totient is φ = 11925286560.

The previous prime is 20223302053. The next prime is 20223302171. The reversal of 20223302121 is 12120332202.

20223302121 is a `hidden beast` number, since 20 + 223 + 302 + 121 = 666.

It is not a de Polignac number, because 20223302121 - 2⁷ = 20223301993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20223302094 and 20223302103.

It is not an unprimeable number, because it can be changed into a prime (20223302171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2756821 + ... + 2764146.

It is an arithmetic number, because the mean of its divisors is an integer number (1363679096).

Almost surely, 2^20223302121 is an apocalyptic number.

It is an amenable number.

20223302121 is a deficient number, since it is larger than the sum of its proper divisors (12504996183).

20223302121 is a wasteful number, since it uses less digits than its factorization.

20223302121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5521021 (or 5521018 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20223302121 its reverse (12120332202), we get a palindrome (32343634323).

The spelling of 20223302121 in words is "twenty billion, two hundred twenty-three million, three hundred two thousand, one hundred twenty-one".