2002020322221 has 32 divisors (see below), whose sum is σ = 3000480005120. Its totient is φ = 1319194002672.

The previous prime is 2002020322201. The next prime is 2002020322241. The reversal of 2002020322221 is 1222230202002.

2002020322221 is a `hidden beast` number, since 200 + 20 + 203 + 22 + 221 = 666.

It is an interprime number because it is at equal distance from previous prime (2002020322201) and next prime (2002020322241).

It is not a de Polignac number, because 2002020322221 - 2⁵ = 2002020322189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002020322194 and 2002020322203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002020322201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 766230 + ... + 2142696.

It is an arithmetic number, because the mean of its divisors is an integer number (93765000160).

Almost surely, 2^{2002020322221} is an apocalyptic number.

It is an amenable number.

2002020322221 is a deficient number, since it is larger than the sum of its proper divisors (998459682899).

2002020322221 is a wasteful number, since it uses less digits than its factorization.

2002020322221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377102 (or 1377096 counting only the distinct ones).

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

Adding to 2002020322221 its reverse (1222230202002), we get a palindrome (3224250524223).

The spelling of 2002020322221 in words is "two trillion, two billion, twenty million, three hundred twenty-two thousand, two hundred twenty-one".