6551344020 has 96 divisors (see below), whose sum is σ = 20794596480. Its totient is φ = 1527759360.

The previous prime is 6551344003. The next prime is 6551344067. The reversal of 6551344020 is 204431556.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 31 ways as a sum of consecutive naturals, for example, 206211 + ... + 235850.

It is an arithmetic number, because the mean of its divisors is an integer number (216610380).

Almost surely, 2^6551344020 is an apocalyptic number.

6551344020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6551344020 is an abundant number, since it is smaller than the sum of its proper divisors (14243252460).

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

6551344020 is a wasteful number, since it uses less digits than its factorization.

6551344020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442105 (or 442103 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 6551344020 is about 80940.3732385761. The cubic root of 6551344020 is about 1871.1565971632.

Adding to 6551344020 its reverse (204431556), we get a palindrome (6755775576).

The spelling of 6551344020 in words is "six billion, five hundred fifty-one million, three hundred forty-four thousand, twenty".