20200120022112 has 48 divisors (see below), whose sum is σ = 53029859005872. Its totient is φ = 6732796331520.

The previous prime is 20200120022101. The next prime is 20200120022141. The reversal of 20200120022112 is 21122002100202.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 20200120022091 and 20200120022100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7888939 + ... + 10130922.

It is an arithmetic number, because the mean of its divisors is an integer number (1104788729289).

Almost surely, 2^{20200120022112} is an apocalyptic number.

It is an amenable number.

20200120022112 is an abundant number, since it is smaller than the sum of its proper divisors (32829738983760).

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

20200120022112 is a wasteful number, since it uses less digits than its factorization.

20200120022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18031551 (or 18031543 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20200120022112 its reverse (21122002100202), we get a palindrome (41322122122314).

The spelling of 20200120022112 in words is "twenty trillion, two hundred billion, one hundred twenty million, twenty-two thousand, one hundred twelve".