20004352467736 has 128 divisors (see below), whose sum is σ = 46733754170880. Its totient is φ = 7816174672896.

The previous prime is 20004352467727. The next prime is 20004352467769. The reversal of 20004352467736 is 63776425340002.

It is a self number, because there is not a number n which added to its sum of digits gives 20004352467736.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214277260 + ... + 214370596.

It is an arithmetic number, because the mean of its divisors is an integer number (365107454460).

Almost surely, 2^{20004352467736} is an apocalyptic number.

20004352467736 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 20004352467736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23366877085440).

20004352467736 is an abundant number, since it is smaller than the sum of its proper divisors (26729401703144).

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

20004352467736 is a wasteful number, since it uses less digits than its factorization.

20004352467736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96993 (or 96989 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 49.

The spelling of 20004352467736 in words is "twenty trillion, four billion, three hundred fifty-two million, four hundred sixty-seven thousand, seven hundred thirty-six".