20020022121002 has 64 divisors (see below), whose sum is σ = 32015607843744. Its totient is φ = 9377348198400.

The previous prime is 20020022120999. The next prime is 20020022121041. The reversal of 20020022121002 is 20012122002002.

It can be written as a sum of positive squares in 16 ways, for example, as 4162575177121 + 15857446943881 = 2040239^2 + 3982141^2 .

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 44538158 + ... + 44985414.

Almost surely, 2^{20020022121002} is an apocalyptic number.

20020022121002 is a deficient number, since it is larger than the sum of its proper divisors (11995585722742).

20020022121002 is a wasteful number, since it uses less digits than its factorization.

20020022121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447563.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20020022121002 its reverse (20012122002002), we get a palindrome (40032144123004).

The spelling of 20020022121002 in words is "twenty trillion, twenty billion, twenty-two million, one hundred twenty-one thousand, two".