620235000 has 480 divisors, whose sum is σ = 2631657600. Its totient is φ = 128160000.

The previous prime is 620234981. The next prime is 620235001. The reversal of 620235000 is 532026.

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 (620235001) 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 119 ways as a sum of consecutive naturals, for example, 3464911 + ... + 3465089.

It is an arithmetic number, because the mean of its divisors is an integer number (5482620).

Almost surely, 2^620235000 is an apocalyptic number.

620235000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620235000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1315828800).

620235000 is an abundant number, since it is smaller than the sum of its proper divisors (2011422600).

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

620235000 is a wasteful number, since it uses less digits than its factorization.

620235000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 620235000 is about 24904.5176624644. The cubic root of 620235000 is about 852.8096185615.

Adding to 620235000 its reverse (532026), we get a palindrome (620767026).

The spelling of 620235000 in words is "six hundred twenty million, two hundred thirty-five thousand".