6531470424220 has 36 divisors (see below), whose sum is σ = 15955449181560. Its totient is φ = 2239361287968.

The previous prime is 6531470424191. The next prime is 6531470424253. The reversal of 6531470424220 is 224240741356.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3332381890 + ... + 3332383849.

It is an arithmetic number, because the mean of its divisors is an integer number (443206921710).

Almost surely, 2^{6531470424220} is an apocalyptic number.

It is an amenable number.

6531470424220 is an abundant number, since it is smaller than the sum of its proper divisors (9423978757340).

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

6531470424220 is a wasteful number, since it uses less digits than its factorization.

6531470424220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6664765762 (or 6664765753 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 40.

The spelling of 6531470424220 in words is "six trillion, five hundred thirty-one billion, four hundred seventy million, four hundred twenty-four thousand, two hundred twenty".