22102020002 has 4 divisors (see below), whose sum is σ = 33153030006. Its totient is φ = 11051010000.

The previous prime is 22102020001. The next prime is 22102020043. The reversal of 22102020002 is 20002020122.

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., 18840582121 + 3261437881 = 137261^2 + 57109^2 .

It is not an unprimeable number, because it can be changed into a prime (22102020001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5525504999 + ... + 5525505002.

Almost surely, 2^22102020002 is an apocalyptic number.

22102020002 is a deficient number, since it is larger than the sum of its proper divisors (11051010004).

22102020002 is a wasteful number, since it uses less digits than its factorization.

22102020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11051010003.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 22102020002 its reverse (20002020122), we get a palindrome (42104040124).

The spelling of 22102020002 in words is "twenty-two billion, one hundred two million, twenty thousand, two".