20021022002223 has 72 divisors (see below), whose sum is σ = 33301150137216. Its totient is φ = 11493581551200.

The previous prime is 20021022002207. The next prime is 20021022002243. The reversal of 20021022002223 is 32220022012002.

20021022002223 is a `hidden beast` number, since 200 + 21 + 0 + 220 + 0 + 2 + 223 = 666.

It is not a de Polignac number, because 20021022002223 - 2⁴ = 20021022002207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20021022002196 and 20021022002205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20021022002243) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 257675086 + ... + 257752772.

It is an arithmetic number, because the mean of its divisors is an integer number (462515974128).

Almost surely, 2^{20021022002223} is an apocalyptic number.

20021022002223 is a deficient number, since it is larger than the sum of its proper divisors (13280128134993).

20021022002223 is a wasteful number, since it uses less digits than its factorization.

20021022002223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84953 (or 84931 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20021022002223 its reverse (32220022012002), we get a palindrome (52241044014225).

The spelling of 20021022002223 in words is "twenty trillion, twenty-one billion, twenty-two million, two thousand, two hundred twenty-three".