6212020320 has 864 divisors, whose sum is σ = 26068573440. Its totient is φ = 1332756480.

The previous prime is 6212020301. The next prime is 6212020349. The reversal of 6212020320 is 230202126.

6212020320 is a `hidden beast` number, since 621 + 2 + 0 + 20 + 3 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 6212020293 and 6212020302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 105288451 + ... + 105288509.

It is an arithmetic number, because the mean of its divisors is an integer number (30171960).

Almost surely, 2^6212020320 is an apocalyptic number.

6212020320 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 6212020320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13034286720).

6212020320 is an abundant number, since it is smaller than the sum of its proper divisors (19856553120).

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

6212020320 is a wasteful number, since it uses less digits than its factorization.

6212020320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 6212020320 is about 78816.3708882869. The cubic root of 6212020320 is about 1838.2770102716.

Adding to 6212020320 its reverse (230202126), we get a palindrome (6442222446).

The spelling of 6212020320 in words is "six billion, two hundred twelve million, twenty thousand, three hundred twenty".