20270112 has 48 divisors (see below), whose sum is σ = 56014560. Its totient is φ = 6400512.

The previous prime is 20270083. The next prime is 20270119. The reversal of 20270112 is 21107202.

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 = 20270091 and 20270100.

It is not an unprimeable number, because it can be changed into a prime (20270119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3733 + ... + 7380.

It is an arithmetic number, because the mean of its divisors is an integer number (1166970).

Almost surely, 2^20270112 is an apocalyptic number.

It is an amenable number.

20270112 is an abundant number, since it is smaller than the sum of its proper divisors (35744448).

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

20270112 is a wasteful number, since it uses less digits than its factorization.

20270112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11145 (or 11137 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 20270112 is about 4502.2341120826. The cubic root of 20270112 is about 272.6582959299.

Adding to 20270112 its reverse (21107202), we get a palindrome (41377314).

The spelling of 20270112 in words is "twenty million, two hundred seventy thousand, one hundred twelve".