20160072522 has 12 divisors (see below), whose sum is σ = 43680157170. Its totient is φ = 6720024168.

The previous prime is 20160072497. The next prime is 20160072529. The reversal of 20160072522 is 22527006102.

20160072522 is a `hidden beast` number, since 2 + 0 + 1 + 600 + 7 + 2 + 52 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 19650712761 + 509359761 = 140181^2 + 22569^2 .

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (20160072529) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 560001997 + ... + 560002032.

Almost surely, 2^20160072522 is an apocalyptic number.

20160072522 is an abundant number, since it is smaller than the sum of its proper divisors (23520084648).

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

20160072522 is a wasteful number, since it uses less digits than its factorization.

20160072522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120004037 (or 1120004034 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

Adding to 20160072522 its reverse (22527006102), we get a palindrome (42687078624).

The spelling of 20160072522 in words is "twenty billion, one hundred sixty million, seventy-two thousand, five hundred twenty-two".