20534826890592 has 576 divisors, whose sum is σ = 70764399982080. Its totient is φ = 5775341644800.

The previous prime is 20534826890587. The next prime is 20534826890621. The reversal of 20534826890592 is 29509862843502.

20534826890592 is a `hidden beast` number, since 2 + 0 + 5 + 3 + 482 + 68 + 9 + 0 + 5 + 92 = 666.

It is a super-2 number, since 2×20534826890592² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2034959467 + ... + 2034969557.

It is an arithmetic number, because the mean of its divisors is an integer number (122854861080).

Almost surely, 2^{20534826890592} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20534826890592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35382199991040).

20534826890592 is an abundant number, since it is smaller than the sum of its proper divisors (50229573091488).

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

20534826890592 is a wasteful number, since it uses less digits than its factorization.

20534826890592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10872 (or 10851 counting only the distinct ones).

The product of its (nonzero) digits is 74649600, while the sum is 63.

The spelling of 20534826890592 in words is "twenty trillion, five hundred thirty-four billion, eight hundred twenty-six million, eight hundred ninety thousand, five hundred ninety-two".