20202000221331 has 12 divisors (see below), whose sum is σ = 29550042518880. Its totient is φ = 13297519132560.

The previous prime is 20202000221327. The next prime is 20202000221401. The reversal of 20202000221331 is 13312200020202.

It is not a de Polignac number, because 20202000221331 - 2² = 20202000221327 is a prime.

It is a super-2 number, since 2×20202000221331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20202000221231) 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 11 ways as a sum of consecutive naturals, for example, 14206750500 + ... + 14206751921.

It is an arithmetic number, because the mean of its divisors is an integer number (2462503543240).

Almost surely, 2^{20202000221331} is an apocalyptic number.

20202000221331 is a deficient number, since it is larger than the sum of its proper divisors (9348042297549).

20202000221331 is a wasteful number, since it uses less digits than its factorization.

20202000221331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28413502506 (or 28413502503 counting only the distinct ones).

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

Adding to 20202000221331 its reverse (13312200020202), we get a palindrome (33514200241533).

The spelling of 20202000221331 in words is "twenty trillion, two hundred two billion, two hundred twenty-one thousand, three hundred thirty-one".