6520633122 has 32 divisors (see below), whose sum is σ = 13566398400. Its totient is φ = 2086860608.

The previous prime is 6520633087. The next prime is 6520633127. The reversal of 6520633122 is 2213360256.

It is a self number, because there is not a number n which added to its sum of digits gives 6520633122.

It is not an unprimeable number, because it can be changed into a prime (6520633127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73533 + ... + 135824.

It is an arithmetic number, because the mean of its divisors is an integer number (423949950).

Almost surely, 2^6520633122 is an apocalyptic number.

6520633122 is an abundant number, since it is smaller than the sum of its proper divisors (7045765278).

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

6520633122 is a wasteful number, since it uses less digits than its factorization.

6520633122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209570.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 6520633122 is about 80750.4372867417. The cubic root of 6520633122 is about 1868.2281941254.

Adding to 6520633122 its reverse (2213360256), we get a palindrome (8733993378).

The spelling of 6520633122 in words is "six billion, five hundred twenty million, six hundred thirty-three thousand, one hundred twenty-two".