620042112 has 96 divisors (see below), whose sum is σ = 1825875480. Its totient is φ = 201858048.

The previous prime is 620042083. The next prime is 620042117. The reversal of 620042112 is 211240026.

620042112 is a `hidden beast` number, since 620 + 0 + 42 + 1 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620042117) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 43278 + ... + 55794.

Almost surely, 2^620042112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620042112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (912937740).

620042112 is an abundant number, since it is smaller than the sum of its proper divisors (1205833368).

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

620042112 is a wasteful number, since it uses less digits than its factorization.

620042112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12580 (or 12565 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 620042112 is about 24900.6448109281. The cubic root of 620042112 is about 852.7212037956.

Adding to 620042112 its reverse (211240026), we get a palindrome (831282138).

The spelling of 620042112 in words is "six hundred twenty million, forty-two thousand, one hundred twelve".