20001200222 has 16 divisors (see below), whose sum is σ = 30243169152. Its totient is φ = 9920389080.

The previous prime is 20001200221. The next prime is 20001200309. The reversal of 20001200222 is 22200210002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001200221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103013 + ... + 224975.

It is an arithmetic number, because the mean of its divisors is an integer number (1890198072).

Almost surely, 2^20001200222 is an apocalyptic number.

20001200222 is a deficient number, since it is larger than the sum of its proper divisors (10241968930).

20001200222 is a wasteful number, since it uses less digits than its factorization.

20001200222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122623.

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

Adding to 20001200222 its reverse (22200210002), we get a palindrome (42201410224).

The spelling of 20001200222 in words is "twenty billion, one million, two hundred thousand, two hundred twenty-two".