20002000022002 has 4 divisors (see below), whose sum is σ = 30003000033006. Its totient is φ = 10001000011000.

The previous prime is 20002000021951. The next prime is 20002000022087. The reversal of 20002000022002 is 20022000020002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15940287815841 + 4061712206161 = 3992529^2 + 2015369^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20002000022002.

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 as a sum of consecutive naturals, namely, 5000500005499 + ... + 5000500005502.

Almost surely, 2^{20002000022002} is an apocalyptic number.

20002000022002 is a deficient number, since it is larger than the sum of its proper divisors (10001000011004).

20002000022002 is a wasteful number, since it uses less digits than its factorization.

20002000022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10001000011003.

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 20002000022002 its reverse (20022000020002), we get a palindrome (40024000042004).

The spelling of 20002000022002 in words is "twenty trillion, two billion, twenty-two thousand, two".