20013725075712 has 144 divisors (see below), whose sum is σ = 53345426715840. Its totient is φ = 6661262278656.

The previous prime is 20013725075651. The next prime is 20013725075759. The reversal of 20013725075712 is 21757052731002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2363728503 + ... + 2363736969.

Almost surely, 2^{20013725075712} 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 20013725075712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26672713357920).

20013725075712 is an abundant number, since it is smaller than the sum of its proper divisors (33331701640128).

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

20013725075712 is an equidigital number, since it uses as much as digits as its factorization.

20013725075712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12728 (or 12714 counting only the distinct ones).

The product of its (nonzero) digits is 205800, while the sum is 42.

The spelling of 20013725075712 in words is "twenty trillion, thirteen billion, seven hundred twenty-five million, seventy-five thousand, seven hundred twelve".