20832450352128 has 440 divisors, whose sum is σ = 64365013827840. Its totient is φ = 6704609034240.

The previous prime is 20832450352127. The next prime is 20832450352139. The reversal of 20832450352128 is 82125305423802.

20832450352128 is a `hidden beast` number, since 2 + 0 + 83 + 2 + 4 + 503 + 52 + 12 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20832450352127) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1139060808 + ... + 1139079096.

It is an arithmetic number, because the mean of its divisors is an integer number (146284122336).

Almost surely, 2^{20832450352128} 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 20832450352128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32182506913920).

20832450352128 is an abundant number, since it is smaller than the sum of its proper divisors (43532563475712).

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

20832450352128 is a wasteful number, since it uses less digits than its factorization.

20832450352128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18795 (or 18768 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The spelling of 20832450352128 in words is "twenty trillion, eight hundred thirty-two billion, four hundred fifty million, three hundred fifty-two thousand, one hundred twenty-eight".