620123028 has 72 divisors (see below), whose sum is σ = 1706366592. Its totient is φ = 174738816.

The previous prime is 620123027. The next prime is 620123051. The reversal of 620123028 is 820321026.

620123028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 620122989 and 620123007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620123027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35701 + ... + 50147.

It is an arithmetic number, because the mean of its divisors is an integer number (23699536).

Almost surely, 2^620123028 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 620123028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (853183296).

620123028 is an abundant number, since it is smaller than the sum of its proper divisors (1086243564).

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

620123028 is a wasteful number, since it uses less digits than its factorization.

620123028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14541 (or 14532 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 620123028 is about 24902.2695351247. The cubic root of 620123028 is about 852.7582957857.

The spelling of 620123028 in words is "six hundred twenty million, one hundred twenty-three thousand, twenty-eight".