7140813220 has 48 divisors (see below), whose sum is σ = 15660126720. Its totient is φ = 2729966976.

The previous prime is 7140813217. The next prime is 7140813269. The reversal of 7140813220 is 223180417.

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, 649126 + ... + 660034.

It is an arithmetic number, because the mean of its divisors is an integer number (326252640).

Almost surely, 2^7140813220 is an apocalyptic number.

It is an amenable number.

7140813220 is an abundant number, since it is smaller than the sum of its proper divisors (8519313500).

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

7140813220 is a wasteful number, since it uses less digits than its factorization.

7140813220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12364 (or 12362 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 7140813220 is about 84503.3325970047. The cubic root of 7140813220 is about 1925.6730739039.

Adding to 7140813220 its reverse (223180417), we get a palindrome (7363993637).

The spelling of 7140813220 in words is "seven billion, one hundred forty million, eight hundred thirteen thousand, two hundred twenty".