20528234496 has 456 divisors, whose sum is σ = 74591360064. Its totient is φ = 5284823040.

The previous prime is 20528234483. The next prime is 20528234497. The reversal of 20528234496 is 69443282502.

20528234496 is a `hidden beast` number, since 2 + 0 + 52 + 82 + 34 + 496 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20528234497) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 181665736 + ... + 181665848.

It is an arithmetic number, because the mean of its divisors is an integer number (163577544).

Almost surely, 2^20528234496 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 20528234496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37295680032).

20528234496 is an abundant number, since it is smaller than the sum of its proper divisors (54063125568).

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

20528234496 is an equidigital number, since it uses as much as digits as its factorization.

20528234496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

It can be divided in two parts, 205282 and 34496, that added together give a triangular number (239778 = T₆₉₂).

The spelling of 20528234496 in words is "twenty billion, five hundred twenty-eight million, two hundred thirty-four thousand, four hundred ninety-six".