20526533542060 has 192 divisors, whose sum is σ = 53169120829440. Its totient is φ = 6482128343040.

The previous prime is 20526533542049. The next prime is 20526533542087. The reversal of 20526533542060 is 6024533562502.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20526533541998 and 20526533542016.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2131293445 + ... + 2131303075.

It is an arithmetic number, because the mean of its divisors is an integer number (276922504320).

Almost surely, 2^{20526533542060} is an apocalyptic number.

20526533542060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20526533542060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26584560414720).

20526533542060 is an abundant number, since it is smaller than the sum of its proper divisors (32642587287380).

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

20526533542060 is a wasteful number, since it uses less digits than its factorization.

20526533542060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12096 (or 12094 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 43.

The spelling of 20526533542060 in words is "twenty trillion, five hundred twenty-six billion, five hundred thirty-three million, five hundred forty-two thousand, sixty".