22520031327 has 6 divisors (see below), whose sum is σ = 32528934152. Its totient is φ = 15013354212.

The previous prime is 22520031323. The next prime is 22520031397. The reversal of 22520031327 is 72313002522.

It is a happy number.

22520031327 is a `hidden beast` number, since 2 + 2 + 520 + 0 + 3 + 132 + 7 = 666.

It is not a de Polignac number, because 22520031327 - 2² = 22520031323 is a prime.

It is a super-2 number, since 2×22520031327² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22520031327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22520031323) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1251112843 + ... + 1251112860.

Almost surely, 2^22520031327 is an apocalyptic number.

22520031327 is a deficient number, since it is larger than the sum of its proper divisors (10008902825).

22520031327 is a wasteful number, since it uses less digits than its factorization.

22520031327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2502225709 (or 2502225706 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

Adding to 22520031327 its reverse (72313002522), we get a palindrome (94833033849).

The spelling of 22520031327 in words is "twenty-two billion, five hundred twenty million, thirty-one thousand, three hundred twenty-seven".