20212022022002 has 24 divisors (see below), whose sum is σ = 31801689853164. Its totient is φ = 9633627205664.

The previous prime is 20212022021969. The next prime is 20212022022053. The reversal of 20212022022002 is 20022022021202.

It can be written as a sum of positive squares in 2 ways, for example, as 20172413459641 + 39608562361 = 4491371^2 + 199019^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 32290673 + ... + 32910660.

Almost surely, 2^{20212022022002} is an apocalyptic number.

20212022022002 is a deficient number, since it is larger than the sum of its proper divisors (11589667831162).

20212022022002 is a wasteful number, since it uses less digits than its factorization.

20212022022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65201674 (or 65201651 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 20212022022002 its reverse (20022022021202), we get a palindrome (40234044043204).

The spelling of 20212022022002 in words is "twenty trillion, two hundred twelve billion, twenty-two million, twenty-two thousand, two".