20344652420036 has 96 divisors (see below), whose sum is σ = 41579801894400. Its totient is φ = 8706525916032.

The previous prime is 20344652420023. The next prime is 20344652420039. The reversal of 20344652420036 is 63002425644302.

It is a junction number, because it is equal to n+sod(n) for n = 20344652419975 and 20344652420002.

It is not an unprimeable number, because it can be changed into a prime (20344652420039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3361082786 + ... + 3361088838.

It is an arithmetic number, because the mean of its divisors is an integer number (433122936400).

Almost surely, 2^{20344652420036} 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 20344652420036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20789900947200).

20344652420036 is an abundant number, since it is smaller than the sum of its proper divisors (21235149474364).

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

20344652420036 is a wasteful number, since it uses less digits than its factorization.

20344652420036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9218 (or 9202 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 41.

The spelling of 20344652420036 in words is "twenty trillion, three hundred forty-four billion, six hundred fifty-two million, four hundred twenty thousand, thirty-six".