20202102112 has 24 divisors (see below), whose sum is σ = 39780531000. Its totient is φ = 10099110144.

The previous prime is 20202102059. The next prime is 20202102121. The reversal of 20202102112 is 21120120202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20202102092 and 20202102101.

It is a congruent number.

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, 116439 + ... + 232297.

It is an arithmetic number, because the mean of its divisors is an integer number (1657522125).

Almost surely, 2^20202102112 is an apocalyptic number.

It is an amenable number.

20202102112 is a deficient number, since it is larger than the sum of its proper divisors (19578428888).

20202102112 is a wasteful number, since it uses less digits than its factorization.

20202102112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121318 (or 121310 counting only the distinct ones).

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

Adding to 20202102112 its reverse (21120120202), we get a palindrome (41322222314).

The spelling of 20202102112 in words is "twenty billion, two hundred two million, one hundred two thousand, one hundred twelve".