20459682432 has 512 divisors, whose sum is σ = 71542310400. Its totient is φ = 5706215424.

The previous prime is 20459682409. The next prime is 20459682437. The reversal of 20459682432 is 23428695402.

20459682432 is a `hidden beast` number, since 2 + 0 + 4 + 596 + 8 + 24 + 32 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20459682437) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 103856158 + ... + 103856354.

It is an arithmetic number, because the mean of its divisors is an integer number (139731075).

Almost surely, 2^20459682432 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 20459682432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35771155200).

20459682432 is an abundant number, since it is smaller than the sum of its proper divisors (51082627968).

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

20459682432 is an frugal number, since it uses more digits than its factorization.

20459682432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 262 counting only the distinct ones).

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

The spelling of 20459682432 in words is "twenty billion, four hundred fifty-nine million, six hundred eighty-two thousand, four hundred thirty-two".