20222000002 has 4 divisors (see below), whose sum is σ = 30333000006. Its totient is φ = 10111000000.

The previous prime is 20221999939. The next prime is 20222000009. The reversal of 20222000002 is 20000022202.

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., 12753410761 + 7468589241 = 112931^2 + 86421^2 .

It is not an unprimeable number, because it can be changed into a prime (20222000009) by changing a digit.

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 as a sum of consecutive naturals, namely, 5055499999 + ... + 5055500002.

Almost surely, 2^20222000002 is an apocalyptic number.

20222000002 is a deficient number, since it is larger than the sum of its proper divisors (10111000004).

20222000002 is a wasteful number, since it uses less digits than its factorization.

20222000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10111000003.

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

Adding to 20222000002 its reverse (20000022202), we get a palindrome (40222022204).

The spelling of 20222000002 in words is "twenty billion, two hundred twenty-two million, two", and thus it is an aban number.