20009983060480 has 160 divisors (see below), whose sum is σ = 54852071028480. Its totient is φ = 6857920020480.

The previous prime is 20009983060471. The next prime is 20009983060493. The reversal of 20009983060480 is 8406038990002.

It is a tau number, because it is divible by the number of its divisors (160).

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, 46539285 + ... + 46967275.

It is an arithmetic number, because the mean of its divisors is an integer number (342825443928).

Almost surely, 2^{20009983060480} is an apocalyptic number.

20009983060480 is a gapful number since it is divisible by the number (20) 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 20009983060480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27426035514240).

20009983060480 is an abundant number, since it is smaller than the sum of its proper divisors (34842087968000).

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

20009983060480 is an equidigital number, since it uses as much as digits as its factorization.

20009983060480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430630 (or 430614 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 49.

The spelling of 20009983060480 in words is "twenty trillion, nine billion, nine hundred eighty-three million, sixty thousand, four hundred eighty".