20039932463616 has 720 divisors, whose sum is σ = 64385537728512. Its totient is φ = 5964562759680.

The previous prime is 20039932463569. The next prime is 20039932463627. The reversal of 20039932463616 is 61636423993002.

20039932463616 is a `hidden beast` number, since 2 + 0 + 0 + 3 + 99 + 32 + 463 + 61 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12788724465 + ... + 12788726031.

Almost surely, 2^{20039932463616} is an apocalyptic number.

20039932463616 is a gapful number since it is divisible by the number (26) 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 20039932463616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32192768864256).

20039932463616 is an abundant number, since it is smaller than the sum of its proper divisors (44345605264896).

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

20039932463616 is a wasteful number, since it uses less digits than its factorization.

20039932463616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813 (or 1753 counting only the distinct ones).

The product of its (nonzero) digits is 7558272, while the sum is 54.

The spelling of 20039932463616 in words is "twenty trillion, thirty-nine billion, nine hundred thirty-two million, four hundred sixty-three thousand, six hundred sixteen".