6506860220 has 48 divisors (see below), whose sum is σ = 15681344448. Its totient is φ = 2221655040.

The previous prime is 6506860193. The next prime is 6506860231. The reversal of 6506860220 is 220686056.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62687 + ... + 130166.

It is an arithmetic number, because the mean of its divisors is an integer number (326694676).

Almost surely, 2^6506860220 is an apocalyptic number.

It is an amenable number.

6506860220 is an abundant number, since it is smaller than the sum of its proper divisors (9174484228).

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

6506860220 is a wasteful number, since it uses less digits than its factorization.

6506860220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193110 (or 193108 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 6506860220 is about 80665.1115414837. Note that the first 3 decimals coincide. The cubic root of 6506860220 is about 1866.9119077592.

The spelling of 6506860220 in words is "six billion, five hundred six million, eight hundred sixty thousand, two hundred twenty".