20222002001002 has 4 divisors (see below), whose sum is σ = 30333003001506. Its totient is φ = 10111001000500.

The previous prime is 20222002000979. The next prime is 20222002001009. The reversal of 20222002001002 is 20010020022202.

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., 10381728640761 + 9840273360241 = 3222069^2 + 3136921^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (20222002001009) by changing a digit.

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 as a sum of consecutive naturals, namely, 5055500500249 + ... + 5055500500252.

Almost surely, 2^{20222002001002} is an apocalyptic number.

20222002001002 is a deficient number, since it is larger than the sum of its proper divisors (10111001000504).

20222002001002 is a wasteful number, since it uses less digits than its factorization.

20222002001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10111001000503.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20222002001002 its reverse (20010020022202), we get a palindrome (40232022023204).

The spelling of 20222002001002 in words is "twenty trillion, two hundred twenty-two billion, two million, one thousand, two".