20013653450392 has 256 divisors, whose sum is σ = 48143144448000. Its totient is φ = 7602913124352.

The previous prime is 20013653450333. The next prime is 20013653450423. The reversal of 20013653450392 is 29305435631002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 180970378 + ... + 181080934.

It is an arithmetic number, because the mean of its divisors is an integer number (188059158000).

Almost surely, 2^{20013653450392} 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 20013653450392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24071572224000).

20013653450392 is an abundant number, since it is smaller than the sum of its proper divisors (28129490997608).

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

20013653450392 is a wasteful number, since it uses less digits than its factorization.

20013653450392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110778 (or 110774 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 43.

The spelling of 20013653450392 in words is "twenty trillion, thirteen billion, six hundred fifty-three million, four hundred fifty thousand, three hundred ninety-two".