20202020112 has 20 divisors (see below), whose sum is σ = 52188552080. Its totient is φ = 6734006688.

The previous prime is 20202020099. The next prime is 20202020119. The reversal of 20202020112 is 21102020202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (20202020119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210437662 + ... + 210437757.

It is an arithmetic number, because the mean of its divisors is an integer number (2609427604).

Almost surely, 2^20202020112 is an apocalyptic number.

It is an amenable number.

20202020112 is an abundant number, since it is smaller than the sum of its proper divisors (31986531968).

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

20202020112 is a wasteful number, since it uses less digits than its factorization.

20202020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420875430 (or 420875424 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20202020112 its reverse (21102020202), we get a palindrome (41304040314).

The spelling of 20202020112 in words is "twenty billion, two hundred two million, twenty thousand, one hundred twelve".