6530863020 has 48 divisors (see below), whose sum is σ = 19948819968. Its totient is φ = 1583239360.

The previous prime is 6530862997. The next prime is 6530863049. The reversal of 6530863020 is 203680356.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4946964 + ... + 4948283.

It is an arithmetic number, because the mean of its divisors is an integer number (415600416).

Almost surely, 2^6530863020 is an apocalyptic number.

6530863020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6530863020 is an abundant number, since it is smaller than the sum of its proper divisors (13417956948).

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

6530863020 is a wasteful number, since it uses less digits than its factorization.

6530863020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9895270 (or 9895268 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 6530863020 is about 80813.7551410649. The cubic root of 6530863020 is about 1869.2046738476.

The spelling of 6530863020 in words is "six billion, five hundred thirty million, eight hundred sixty-three thousand, twenty".