20527674122550 has 288 divisors, whose sum is σ = 59350301337600. Its totient is φ = 4681750026240.

The previous prime is 20527674122533. The next prime is 20527674122621. The reversal of 20527674122550 is 5522147672502.

It is a self number, because there is not a number n which added to its sum of digits gives 20527674122550.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 10866952006 + ... + 10866953894.

It is an arithmetic number, because the mean of its divisors is an integer number (206077435200).

Almost surely, 2^{20527674122550} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20527674122550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29675150668800).

20527674122550 is an abundant number, since it is smaller than the sum of its proper divisors (38822627215050).

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

20527674122550 is a wasteful number, since it uses less digits than its factorization.

20527674122550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4380 (or 4368 counting only the distinct ones).

The product of its (nonzero) digits is 2352000, while the sum is 48.

The spelling of 20527674122550 in words is "twenty trillion, five hundred twenty-seven billion, six hundred seventy-four million, one hundred twenty-two thousand, five hundred fifty".