20127225320 has 16 divisors (see below), whose sum is σ = 45286257060. Its totient is φ = 8050890112.

The previous prime is 20127225317. The next prime is 20127225341. The reversal of 20127225320 is 2352272102.

It can be written as a sum of positive squares in 2 ways, for example, as 17102885284 + 3024340036 = 130778^2 + 54994^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20127225320.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251590277 + ... + 251590356.

Almost surely, 2^20127225320 is an apocalyptic number.

20127225320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20127225320 is an abundant number, since it is smaller than the sum of its proper divisors (25159031740).

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

20127225320 is a wasteful number, since it uses less digits than its factorization.

20127225320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503180644 (or 503180640 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

Adding to 20127225320 its reverse (2352272102), we get a palindrome (22479497422).

The spelling of 20127225320 in words is "twenty billion, one hundred twenty-seven million, two hundred twenty-five thousand, three hundred twenty".