20000020222 has 48 divisors (see below), whose sum is σ = 37601791920. Its totient is φ = 7908026112.

The previous prime is 20000020189. The next prime is 20000020237. The reversal of 20000020222 is 22202000002.

It is a junction number, because it is equal to n+sod(n) for n = 20000020199 and 20000020208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4149558 + ... + 4154374.

It is an arithmetic number, because the mean of its divisors is an integer number (783370665).

Almost surely, 2^20000020222 is an apocalyptic number.

20000020222 is a deficient number, since it is larger than the sum of its proper divisors (17601771698).

20000020222 is a wasteful number, since it uses less digits than its factorization.

20000020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8105 (or 8098 counting only the distinct ones).

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

Adding to 20000020222 its reverse (22202000002), we get a palindrome (42202020224).

The spelling of 20000020222 in words is "twenty billion, twenty thousand, two hundred twenty-two".