20522013127 has 8 divisors (see below), whose sum is σ = 25585886592. Its totient is φ = 15991179000.

The previous prime is 20522013121. The next prime is 20522013137. The reversal of 20522013127 is 72131022502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20522013127 - 2¹⁹ = 20521488839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20522013121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133259749 + ... + 133259902.

It is an arithmetic number, because the mean of its divisors is an integer number (3198235824).

Almost surely, 2^20522013127 is an apocalyptic number.

20522013127 is a deficient number, since it is larger than the sum of its proper divisors (5063873465).

20522013127 is a wasteful number, since it uses less digits than its factorization.

20522013127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266519669.

The product of its (nonzero) digits is 1680, while the sum is 25.

Adding to 20522013127 its reverse (72131022502), we get a palindrome (92653035629).

The spelling of 20522013127 in words is "twenty billion, five hundred twenty-two million, thirteen thousand, one hundred twenty-seven".