20212002220232 has 16 divisors (see below), whose sum is σ = 37901136784140. Its totient is φ = 10105032411136.

The previous prime is 20212002220231. The next prime is 20212002220331. The reversal of 20212002220232 is 23202220021202.

It can be written as a sum of positive squares in 2 ways, for example, as 19099749346276 + 1112252873956 = 4370326^2 + 1054634^2 .

It is not an unprimeable number, because it can be changed into a prime (20212002220231) 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, 120998693 + ... + 121165620.

Almost surely, 2^{20212002220232} is an apocalyptic number.

It is an amenable number.

20212002220232 is a deficient number, since it is larger than the sum of its proper divisors (17689134563908).

20212002220232 is a wasteful number, since it uses less digits than its factorization.

20212002220232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242174752 (or 242174748 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20212002220232 its reverse (23202220021202), we get a palindrome (43414222241434).

The spelling of 20212002220232 in words is "twenty trillion, two hundred twelve billion, two million, two hundred twenty thousand, two hundred thirty-two".