20202220101112 has 32 divisors (see below), whose sum is σ = 43290770536800. Its totient is φ = 8658034550784.

The previous prime is 20202220101109. The next prime is 20202220101113. The reversal of 20202220101112 is 21110102220202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202220101113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7478728 + ... + 9815080.

It is an arithmetic number, because the mean of its divisors is an integer number (1352836579275).

Almost surely, 2^{20202220101112} is an apocalyptic number.

It is an amenable number.

20202220101112 is an abundant number, since it is smaller than the sum of its proper divisors (23088550435688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20202220101112 is a wasteful number, since it uses less digits than its factorization.

20202220101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490775 (or 2490771 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20202220101112 its reverse (21110102220202), we get a palindrome (41312322321314).

The spelling of 20202220101112 in words is "twenty trillion, two hundred two billion, two hundred twenty million, one hundred one thousand, one hundred twelve".