20012204222 has 32 divisors (see below), whose sum is σ = 31091286240. Its totient is φ = 9654174720.

The previous prime is 20012204189. The next prime is 20012204249. The reversal of 20012204222 is 22240221002.

It is a self number, because there is not a number n which added to its sum of digits gives 20012204222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6219158 + ... + 6222374.

It is an arithmetic number, because the mean of its divisors is an integer number (971602695).

Almost surely, 2^20012204222 is an apocalyptic number.

20012204222 is a deficient number, since it is larger than the sum of its proper divisors (11079082018).

20012204222 is a wasteful number, since it uses less digits than its factorization.

20012204222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4076.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 20012204222 its reverse (22240221002), we get a palindrome (42252425224).

The spelling of 20012204222 in words is "twenty billion, twelve million, two hundred four thousand, two hundred twenty-two".