20020000222 has 4 divisors (see below), whose sum is σ = 30030000336. Its totient is φ = 10010000110.

The previous prime is 20020000211. The next prime is 20020000289. The reversal of 20020000222 is 22200002002.

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

It is a junction number, because it is equal to n+sod(n) for n = 20020000199 and 20020000208.

It is a congruent number.

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, 5005000054 + ... + 5005000057.

It is an arithmetic number, because the mean of its divisors is an integer number (7507500084).

Almost surely, 2^20020000222 is an apocalyptic number.

20020000222 is a deficient number, since it is larger than the sum of its proper divisors (10010000114).

20020000222 is a wasteful number, since it uses less digits than its factorization.

20020000222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10010000113.

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

Adding to 20020000222 its reverse (22200002002), we get a palindrome (42220002224).

The spelling of 20020000222 in words is "twenty billion, twenty million, two hundred twenty-two", and thus it is an aban number.