6512250220 has 48 divisors (see below), whose sum is σ = 15691753728. Its totient is φ = 2223864000.

The previous prime is 6512250191. The next prime is 6512250263. The reversal of 6512250220 is 220522156.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57522 + ... + 127801.

It is an arithmetic number, because the mean of its divisors is an integer number (326911536).

Almost surely, 2^6512250220 is an apocalyptic number.

It is an amenable number.

6512250220 is an abundant number, since it is smaller than the sum of its proper divisors (9179503508).

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

6512250220 is a wasteful number, since it uses less digits than its factorization.

6512250220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185590 (or 185588 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 6512250220 is about 80698.5143605507. The cubic root of 6512250220 is about 1867.4272550302.

Adding to 6512250220 its reverse (220522156), we get a palindrome (6732772376).

The spelling of 6512250220 in words is "six billion, five hundred twelve million, two hundred fifty thousand, two hundred twenty".