6566020120 has 32 divisors (see below), whose sum is σ = 16116595920. Its totient is φ = 2387643520.

The previous prime is 6566020099. The next prime is 6566020129. The reversal of 6566020120 is 210206656.

It is a super-2 number, since 2×6566020120² = 86225240432489628800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6566020129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7460947 + ... + 7461826.

Almost surely, 2^6566020120 is an apocalyptic number.

It is an amenable number.

6566020120 is an abundant number, since it is smaller than the sum of its proper divisors (9550575800).

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

6566020120 is a wasteful number, since it uses less digits than its factorization.

6566020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14922795 (or 14922791 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 6566020120 is about 81030.9824696702. The cubic root of 6566020120 is about 1872.5527890891.

Adding to 6566020120 its reverse (210206656), we get a palindrome (6776226776).

The spelling of 6566020120 in words is "six billion, five hundred sixty-six million, twenty thousand, one hundred twenty".