20202021220112 has 20 divisors (see below), whose sum is σ = 39185544006336. Its totient is φ = 10089622766880.

The previous prime is 20202021220099. The next prime is 20202021220133. The reversal of 20202021220112 is 21102212020202.

It is a happy number.

It is a super-2 number, since 2×20202021220112² (a number of 27 digits) contains 22 as substring.

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, 711725564 + ... + 711753947.

Almost surely, 2^{20202021220112} is an apocalyptic number.

It is an amenable number.

20202021220112 is a deficient number, since it is larger than the sum of its proper divisors (18983522786224).

20202021220112 is a wasteful number, since it uses less digits than its factorization.

20202021220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423480406 (or 1423480400 counting only the distinct ones).

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

Adding to 20202021220112 its reverse (21102212020202), we get a palindrome (41304233240314).

The spelling of 20202021220112 in words is "twenty trillion, two hundred two billion, twenty-one million, two hundred twenty thousand, one hundred twelve".