620443383120 has 320 divisors, whose sum is σ = 2332707840000. Its totient is φ = 150323765760.

The previous prime is 620443383103. The next prime is 620443383167. The reversal of 620443383120 is 21383344026.

620443383120 is a `hidden beast` number, since 6 + 2 + 0 + 4 + 4 + 338 + 312 + 0 = 666.

It is a super-2 number, since 2×620443383120² (a number of 24 digits) contains 22 as substring.

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 polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47489709 + ... + 47502771.

It is an arithmetic number, because the mean of its divisors is an integer number (7289712000).

Almost surely, 2^620443383120 is an apocalyptic number.

620443383120 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 620443383120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1166353920000).

620443383120 is an abundant number, since it is smaller than the sum of its proper divisors (1712264456880).

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

620443383120 is a wasteful number, since it uses less digits than its factorization.

620443383120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15095 (or 15083 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 620443383120 in words is "six hundred twenty billion, four hundred forty-three million, three hundred eighty-three thousand, one hundred twenty".