6210000020 has 48 divisors (see below), whose sum is σ = 15221122560. Its totient is φ = 2083839744.

The previous prime is 6209999953. The next prime is 6210000079. The reversal of 6210000020 is 200000126.

It is a junction number, because it is equal to n+sod(n) for n = 6209999956 and 6210000010.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 465305 + ... + 478464.

It is an arithmetic number, because the mean of its divisors is an integer number (317106720).

Almost surely, 2^6210000020 is an apocalyptic number.

It is an amenable number.

6210000020 is an abundant number, since it is smaller than the sum of its proper divisors (9011122540).

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

6210000020 is a wasteful number, since it uses less digits than its factorization.

6210000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943832 (or 943830 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 6210000020 is about 78803.5533462800. The cubic root of 6210000020 is about 1838.0777045418.

Adding to 6210000020 its reverse (200000126), we get a palindrome (6410000146).

The spelling of 6210000020 in words is "six billion, two hundred ten million, twenty", and thus it is an aban number.