620188103040 has 512 divisors, whose sum is σ = 2357120839680. Its totient is φ = 136937472000.

The previous prime is 620188103039. The next prime is 620188103077. The reversal of 620188103040 is 40301881026.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 620188102992 and 620188103010.

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, 11102380 + ... + 11158100.

It is an arithmetic number, because the mean of its divisors is an integer number (4603751640).

Almost surely, 2^620188103040 is an apocalyptic number.

620188103040 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 620188103040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1178560419840).

620188103040 is an abundant number, since it is smaller than the sum of its proper divisors (1736932736640).

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

620188103040 is a wasteful number, since it uses less digits than its factorization.

620188103040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55802 (or 55790 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

Adding to 620188103040 its reverse (40301881026), we get a palindrome (660489984066).

The spelling of 620188103040 in words is "six hundred twenty billion, one hundred eighty-eight million, one hundred three thousand, forty".