20202012112 has 10 divisors (see below), whose sum is σ = 39141398498. Its totient is φ = 10101006048.

The previous prime is 20202012109. The next prime is 20202012113. The reversal of 20202012112 is 21121020202.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19772859456 + 429152656 = 140616^2 + 20716^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20202012092 and 20202012101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202012113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631312863 + ... + 631312894.

Almost surely, 2^20202012112 is an apocalyptic number.

It is an amenable number.

20202012112 is a deficient number, since it is larger than the sum of its proper divisors (18939386386).

20202012112 is a wasteful number, since it uses less digits than its factorization.

20202012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262625765 (or 1262625759 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20202012112 its reverse (21121020202), we get a palindrome (41323032314).

The spelling of 20202012112 in words is "twenty billion, two hundred two million, twelve thousand, one hundred twelve".