1020202112 has 32 divisors (see below), whose sum is σ = 2139409200. Its totient is φ = 483252480.

The previous prime is 1020202097. The next prime is 1020202121. The reversal of 1020202112 is 2112020201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 1020202093 and 1020202102.

It is an unprimeable number.

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, 207314 + ... + 212177.

Almost surely, 2^1020202112 is an apocalyptic number.

It is an amenable number.

1020202112 is an abundant number, since it is smaller than the sum of its proper divisors (1119207088).

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

1020202112 is an equidigital number, since it uses as much as digits as its factorization.

1020202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419524 (or 419512 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1020202112 is about 31940.6028747111. The cubic root of 1020202112 is about 1006.6891922701.

Adding to 1020202112 its reverse (2112020201), we get a palindrome (3132222313).

The spelling of 1020202112 in words is "one billion, twenty million, two hundred two thousand, one hundred twelve".