20022212202112 has 16 divisors (see below), whose sum is σ = 39888000871650. Its totient is φ = 10011106100992.

The previous prime is 20022212202071. The next prime is 20022212202119. The reversal of 20022212202112 is 21120221222002.

It can be written as a sum of positive squares in only one way, i.e., 20000715950656 + 21496251456 = 4472216^2 + 146616^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 20022212202112.

It is not an unprimeable number, because it can be changed into a prime (20022212202119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78211766287 + ... + 78211766542.

Almost surely, 2^{20022212202112} is an apocalyptic number.

It is an amenable number.

20022212202112 is a deficient number, since it is larger than the sum of its proper divisors (19865788669538).

20022212202112 is an equidigital number, since it uses as much as digits as its factorization.

20022212202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156423532843 (or 156423532831 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20022212202112 its reverse (21120221222002), we get a palindrome (41142433424114).

The spelling of 20022212202112 in words is "twenty trillion, twenty-two billion, two hundred twelve million, two hundred two thousand, one hundred twelve".