20013518860032 has 288 divisors, whose sum is σ = 58105837242432. Its totient is φ = 6089736978432.

The previous prime is 20013518860031. The next prime is 20013518860037. The reversal of 20013518860032 is 23006881531002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013518860031) 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, 153068478 + ... + 153199170.

It is an arithmetic number, because the mean of its divisors is an integer number (201756379314).

Almost surely, 2^{20013518860032} 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 20013518860032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29052918621216).

20013518860032 is an abundant number, since it is smaller than the sum of its proper divisors (38092318382400).

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

20013518860032 is a wasteful number, since it uses less digits than its factorization.

20013518860032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131083 (or 131069 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 20013518860032 in words is "twenty trillion, thirteen billion, five hundred eighteen million, eight hundred sixty thousand, thirty-two".