620229960 has 640 divisors, whose sum is σ = 2634508800. Its totient is φ = 127733760.

The previous prime is 620229959. The next prime is 620229971. The reversal of 620229960 is 69922026.

620229960 is a `hidden beast` number, since 620 + 2 + 29 + 9 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 15127540 + ... + 15127580.

It is an arithmetic number, because the mean of its divisors is an integer number (4116420).

Almost surely, 2^620229960 is an apocalyptic number.

620229960 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 620229960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1317254400).

620229960 is an abundant number, since it is smaller than the sum of its proper divisors (2014278840).

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

620229960 is a wasteful number, since it uses less digits than its factorization.

620229960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 620229960 is about 24904.4164757980. The cubic root of 620229960 is about 852.8073085918.

The spelling of 620229960 in words is "six hundred twenty million, two hundred twenty-nine thousand, nine hundred sixty".