6765601220 has 48 divisors (see below), whose sum is σ = 16268665728. Its totient is φ = 2315174400.

The previous prime is 6765601211. The next prime is 6765601259. The reversal of 6765601220 is 221065676.

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

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, 27020 + ... + 119420.

It is an arithmetic number, because the mean of its divisors is an integer number (338930536).

Almost surely, 2^6765601220 is an apocalyptic number.

It is an amenable number.

6765601220 is an abundant number, since it is smaller than the sum of its proper divisors (9503064508).

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

6765601220 is a wasteful number, since it uses less digits than its factorization.

6765601220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92940 (or 92938 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 6765601220 is about 82253.2748284225. The cubic root of 6765601220 is about 1891.3364771444.

Adding to 6765601220 its reverse (221065676), we get a palindrome (6986666896).

The spelling of 6765601220 in words is "six billion, seven hundred sixty-five million, six hundred one thousand, two hundred twenty".