20021200222 has 8 divisors (see below), whose sum is σ = 30341406816. Its totient is φ = 9907397952.

The previous prime is 20021200189. The next prime is 20021200223. The reversal of 20021200222 is 22200212002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20021200223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51600838 + ... + 51601225.

It is an arithmetic number, because the mean of its divisors is an integer number (3792675852).

Almost surely, 2^20021200222 is an apocalyptic number.

20021200222 is a deficient number, since it is larger than the sum of its proper divisors (10320206594).

20021200222 is a wasteful number, since it uses less digits than its factorization.

20021200222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103202162.

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

Adding to 20021200222 its reverse (22200212002), we get a palindrome (42221412224).

It can be divided in two parts, 200212002 and 22, that multiplied together give a palindrome (4404664044).

The spelling of 20021200222 in words is "twenty billion, twenty-one million, two hundred thousand, two hundred twenty-two".