22000020002 has 8 divisors (see below), whose sum is σ = 33019481196. Its totient is φ = 10993526272.

The previous prime is 22000019989. The next prime is 22000020017. The reversal of 22000020002 is 20002000022.

It can be written as a sum of positive squares in 2 ways, for example, as 21915545521 + 84474481 = 148039^2 + 9191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

22000020002 is a modest number, since divided by 20002 gives 220 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3237623 + ... + 3244410.

Almost surely, 2^22000020002 is an apocalyptic number.

22000020002 is a deficient number, since it is larger than the sum of its proper divisors (11019461194).

22000020002 is a wasteful number, since it uses less digits than its factorization.

22000020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6483732.

The product of its (nonzero) digits is 16, while the sum is 8.

Adding to 22000020002 its reverse (20002000022), we get a palindrome (42002020024).

The spelling of 22000020002 in words is "twenty-two billion, twenty thousand, two".