20200221220112 has 20 divisors (see below), whose sum is σ = 39138627837660. Its totient is φ = 10099930165248.

The previous prime is 20200221220097. The next prime is 20200221220177. The reversal of 20200221220112 is 21102212200202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9182238976 + 20191038981136 = 95824^2 + 4493444^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10351937 + ... + 12147552.

It is an arithmetic number, because the mean of its divisors is an integer number (1956931391883).

Almost surely, 2^{20200221220112} is an apocalyptic number.

It is an amenable number.

20200221220112 is a deficient number, since it is larger than the sum of its proper divisors (18938406617548).

20200221220112 is a wasteful number, since it uses less digits than its factorization.

20200221220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22555610 (or 22555604 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20200221220112 its reverse (21102212200202), we get a palindrome (41302433420314).

The spelling of 20200221220112 in words is "twenty trillion, two hundred billion, two hundred twenty-one million, two hundred twenty thousand, one hundred twelve".