6255520020 has 72 divisors (see below), whose sum is σ = 18981720576. Its totient is φ = 1667554752.

The previous prime is 6255520003. The next prime is 6255520067. The reversal of 6255520020 is 200255526.

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 23 ways as a sum of consecutive naturals, for example, 821149 + ... + 828731.

It is an arithmetic number, because the mean of its divisors is an integer number (263635008).

Almost surely, 2^6255520020 is an apocalyptic number.

6255520020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6255520020 is an abundant number, since it is smaller than the sum of its proper divisors (12726200556).

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

6255520020 is a wasteful number, since it uses less digits than its factorization.

6255520020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12181 (or 12176 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 6255520020 is about 79091.8454709460. The cubic root of 6255520020 is about 1842.5578811487.

Adding to 6255520020 its reverse (200255526), we get a palindrome (6455775546).

The spelling of 6255520020 in words is "six billion, two hundred fifty-five million, five hundred twenty thousand, twenty".