620012106 has 48 divisors (see below), whose sum is σ = 1542610368. Its totient is φ = 176299200.

The previous prime is 620012101. The next prime is 620012119. The reversal of 620012106 is 601210026.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (620012101) 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 23 ways as a sum of consecutive naturals, for example, 14926 + ... + 38246.

It is an arithmetic number, because the mean of its divisors is an integer number (32137716).

Almost surely, 2^620012106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620012106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (771305184).

620012106 is an abundant number, since it is smaller than the sum of its proper divisors (922598262).

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

620012106 is a wasteful number, since it uses less digits than its factorization.

620012106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23547 (or 23544 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 620012106 is about 24900.0422891207. The cubic root of 620012106 is about 852.7074481894.

The spelling of 620012106 in words is "six hundred twenty million, twelve thousand, one hundred six".